22131001312422 has 32 divisors (see below), whose sum is σ = 45459373977600. Its totient is φ = 7177448203488.

The previous prime is 22131001312417. The next prime is 22131001312451. The reversal of 22131001312422 is 22421310013122.

It is a junction number, because it is equal to n+sod(n) for n = 22131001312392 and 22131001312401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8141979 + ... + 10514457.

It is an arithmetic number, because the mean of its divisors is an integer number (1420605436800).

Almost surely, 2^{22131001312422} is an apocalyptic number.

22131001312422 is an abundant number, since it is smaller than the sum of its proper divisors (23328372665178).

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

22131001312422 is a wasteful number, since it uses less digits than its factorization.

22131001312422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2414540.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 22131001312422 its reverse (22421310013122), we get a palindrome (44552311325544).

The spelling of 22131001312422 in words is "twenty-two trillion, one hundred thirty-one billion, one million, three hundred twelve thousand, four hundred twenty-two".