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2222688468 = 223711133147127
BaseRepresentation
bin1000010001111011…
…1000100011010100
312201220101021101010
42010132320203110
514023002012333
61004315532220
7106036353210
oct20436704324
95656337333
102222688468
11a40716820
1252045a070
132956466a0
141712a5940
15d01ee563
hex847b88d4

2222688468 has 384 divisors, whose sum is σ = 7398752256. Its totient is φ = 500774400.

The previous prime is 2222688389. The next prime is 2222688491. The reversal of 2222688468 is 8648862222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 17501421 + ... + 17501547.

It is an arithmetic number, because the mean of its divisors is an integer number (19267584).

Almost surely, 22222688468 is an apocalyptic number.

2222688468 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2222688468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3699376128).

2222688468 is an abundant number, since it is smaller than the sum of its proper divisors (5176063788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2222688468 is a wasteful number, since it uses less digits than its factorization.

2222688468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243 (or 241 counting only the distinct ones).

The product of its digits is 1179648, while the sum is 48.

The square root of 2222688468 is about 47145.3971030047. The cubic root of 2222688468 is about 1305.0471385330.

The spelling of 2222688468 in words is "two billion, two hundred twenty-two million, six hundred eighty-eight thousand, four hundred sixty-eight".