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2222893137969 = 3272709972
BaseRepresentation
bin100000010110001110110…
…000011000000000110001
321212111200020121102220100
4200112032300120000301
5242404441120403334
64421103310303013
7316412235626400
oct40261660300061
97774606542810
102222893137969
117877a6253419
122ba98a4b7a69
1313180576871a
14798351a3637
153cc511a3c99
hex2058ec18031

2222893137969 has 27 divisors (see below), whose sum is σ = 3735117950187. Its totient is φ = 1270206759024.

The previous prime is 2222893137911. The next prime is 2222893137989. The reversal of 2222893137969 is 9697313982222.

The square root of 2222893137969 is 1490937.

It is a perfect power (a square), and thus also a powerful number.

2222893137969 is a `hidden beast` number, since 2 + 2 + 228 + 9 + 31 + 379 + 6 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 84899390625 + 2137993747344 = 291375^2 + 1462188^2 .

It is not a de Polignac number, because 2222893137969 - 213 = 2222893129777 is a prime.

It is a super-2 number, since 2×22228931379692 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2222893137989) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 31274179 + ... + 31345175.

Almost surely, 22222893137969 is an apocalyptic number.

2222893137969 is the 1490937-th square number.

2222893137969 is the 745469-th centered octagonal number.

It is an amenable number.

2222893137969 is a deficient number, since it is larger than the sum of its proper divisors (1512224812218).

2222893137969 is an frugal number, since it uses more digits than its factorization.

2222893137969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142014 (or 71007 counting only the distinct ones).

The product of its digits is 35271936, while the sum is 63.

The spelling of 2222893137969 in words is "two trillion, two hundred twenty-two billion, eight hundred ninety-three million, one hundred thirty-seven thousand, nine hundred sixty-nine".

Divisors: 1 3 7 9 21 49 63 147 441 70997 212991 496979 638973 1490937 3478853 4472811 10436559 31309677 5040574009 15121722027 35284018063 45365166081 105852054189 246988126441 317556162567 740964379323 2222893137969