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22012021314 = 2321222890073
BaseRepresentation
bin10100100000000001…
…001100101001000010
32002211001111112121200
4110200001030221002
5330040034140224
614040122002030
71406323044153
oct244001145102
962731445550
1022012021314
119376237458
124323946316
1320ca4a08aa
1410cb5cd92a
1588c7055c9
hex52004ca42

22012021314 has 12 divisors (see below), whose sum is σ = 47692712886. Its totient is φ = 7337340432.

The previous prime is 22012021309. The next prime is 22012021327. The reversal of 22012021314 is 41312021022.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 21398716089 + 613305225 = 146283^2 + 24765^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1222890073 = 22012021314 / (2 + 2 + 0 + 1 + 2 + 0 + 2 + 1 + 3 + 1 + 4).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 611445019 + ... + 611445054.

Almost surely, 222012021314 is an apocalyptic number.

22012021314 is an abundant number, since it is smaller than the sum of its proper divisors (25680691572).

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

22012021314 is a wasteful number, since it uses less digits than its factorization.

22012021314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222890081 (or 1222890078 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 22012021314 its reverse (41312021022), we get a palindrome (63324042336).

The spelling of 22012021314 in words is "twenty-two billion, twelve million, twenty-one thousand, three hundred fourteen".

Divisors: 1 2 3 6 9 18 1222890073 2445780146 3668670219 7337340438 11006010657 22012021314