22431211224402 has 16 divisors (see below), whose sum is σ = 44862483919680. Its totient is φ = 7477060162992.

The previous prime is 22431211224311. The next prime is 22431211224437. The reversal of 22431211224402 is 20442211213422.

It is a self number, because there is not a number n which added to its sum of digits gives 22431211224402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3168523 + ... + 7409585.

It is an arithmetic number, because the mean of its divisors is an integer number (2803905244980).

Almost surely, 2^{22431211224402} is an apocalyptic number.

22431211224402 is an abundant number, since it is smaller than the sum of its proper divisors (22431272695278).

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

22431211224402 is a wasteful number, since it uses less digits than its factorization.

22431211224402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5122577.

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 22431211224402 its reverse (20442211213422), we get a palindrome (42873422437824).

The spelling of 22431211224402 in words is "twenty-two trillion, four hundred thirty-one billion, two hundred eleven million, two hundred twenty-four thousand, four hundred two".