22902493898 has 4 divisors (see below), whose sum is σ = 34353740850. Its totient is φ = 11451246948.

The previous prime is 22902493853. The next prime is 22902493903. The reversal of 22902493898 is 89839420922.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13104067729 + 9798426169 = 114473^2 + 98987^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5725623473 + ... + 5725623476.

Almost surely, 2^22902493898 is an apocalyptic number.

22902493898 is a deficient number, since it is larger than the sum of its proper divisors (11451246952).

22902493898 is a wasteful number, since it uses less digits than its factorization.

22902493898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11451246951.

The product of its (nonzero) digits is 4478976, while the sum is 56.

The spelling of 22902493898 in words is "twenty-two billion, nine hundred two million, four hundred ninety-three thousand, eight hundred ninety-eight".