22446516402 has 12 divisors (see below), whose sum is σ = 48634118910. Its totient is φ = 7482172128.

The previous prime is 22446516397. The next prime is 22446516409. The reversal of 22446516402 is 20461564422.

22446516402 is a `hidden beast` number, since 2 + 2 + 4 + 4 + 6 + 5 + 1 + 640 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 12732639921 + 9713876481 = 112839^2 + 98559^2 .

It is not an unprimeable number, because it can be changed into a prime (22446516409) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 623514327 + ... + 623514362.

Almost surely, 2^22446516402 is an apocalyptic number.

22446516402 is an abundant number, since it is smaller than the sum of its proper divisors (26187602508).

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

22446516402 is a wasteful number, since it uses less digits than its factorization.

22446516402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1247028697 (or 1247028694 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The spelling of 22446516402 in words is "twenty-two billion, four hundred forty-six million, five hundred sixteen thousand, four hundred two".