22727546402 has 30 divisors (see below), whose sum is σ = 37542832545. Its totient is φ = 10318976800.

The previous prime is 22727546383. The next prime is 22727546431. The reversal of 22727546402 is 20464572722.

It can be written as a sum of positive squares in 2 ways, for example, as 20007819601 + 2719726801 = 141449^2 + 52151^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=106601.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22727546402.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 25797002 + ... + 25797882.

Almost surely, 2^22727546402 is an apocalyptic number.

22727546402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22727546402 is a deficient number, since it is larger than the sum of its proper divisors (14815286143).

22727546402 is an frugal number, since it uses more digits than its factorization.

22727546402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1808 (or 894 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 41.

The spelling of 22727546402 in words is "twenty-two billion, seven hundred twenty-seven million, five hundred forty-six thousand, four hundred two".