22621070402 has 18 divisors (see below), whose sum is σ = 39474057753. Its totient is φ = 9694106352.

The previous prime is 22621070389. The next prime is 22621070431. The reversal of 22621070402 is 20407012622.

It can be written as a sum of positive squares in 2 ways, for example, as 14216031361 + 8405039041 = 119231^2 + 91679^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=106351.

It is a super-2 number, since 2×22621070402² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1481318 + ... + 1496510.

Almost surely, 2^22621070402 is an apocalyptic number.

22621070402 is a deficient number, since it is larger than the sum of its proper divisors (16852987351).

22621070402 is an frugal number, since it uses more digits than its factorization.

22621070402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30402 (or 15202 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The spelling of 22621070402 in words is "twenty-two billion, six hundred twenty-one million, seventy thousand, four hundred two".