22131040422 has 16 divisors (see below), whose sum is σ = 44264733552. Its totient is φ = 7376571360.

The previous prime is 22131040411. The next prime is 22131040433. The reversal of 22131040422 is 22404013122.

It is an interprime number because it is at equal distance from previous prime (22131040411) and next prime (22131040433).

It is a congruent number.

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, 7648 + ... + 210524.

It is an arithmetic number, because the mean of its divisors is an integer number (2766545847).

Almost surely, 2^22131040422 is an apocalyptic number.

22131040422 is an abundant number, since it is smaller than the sum of its proper divisors (22133693130).

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

22131040422 is a wasteful number, since it uses less digits than its factorization.

22131040422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221063.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 22131040422 its reverse (22404013122), we get a palindrome (44535053544).

The spelling of 22131040422 in words is "twenty-two billion, one hundred thirty-one million, forty thousand, four hundred twenty-two".