22631871902 has 4 divisors (see below), whose sum is σ = 33947807856. Its totient is φ = 11315935950.

The previous prime is 22631871901. The next prime is 22631871931. The reversal of 22631871902 is 20917813622.

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

It is a self number, because there is not a number n which added to its sum of digits gives 22631871902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22631871901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5657967974 + ... + 5657967977.

It is an arithmetic number, because the mean of its divisors is an integer number (8486951964).

Almost surely, 2^22631871902 is an apocalyptic number.

22631871902 is a deficient number, since it is larger than the sum of its proper divisors (11315935954).

22631871902 is a wasteful number, since it uses less digits than its factorization.

22631871902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11315935953.

The product of its (nonzero) digits is 72576, while the sum is 41.

The spelling of 22631871902 in words is "twenty-two billion, six hundred thirty-one million, eight hundred seventy-one thousand, nine hundred two".