22221431130 has 32 divisors (see below), whose sum is σ = 53335407744. Its totient is φ = 5925273536.

The previous prime is 22221431107. The next prime is 22221431149. The reversal of 22221431130 is 3113412222.

It is a junction number, because it is equal to n+sod(n) for n = 22221431097 and 22221431106.

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, 675832 + ... + 707948.

It is an arithmetic number, because the mean of its divisors is an integer number (1666731492).

Almost surely, 2^22221431130 is an apocalyptic number.

22221431130 is an abundant number, since it is smaller than the sum of its proper divisors (31113976614).

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

22221431130 is a wasteful number, since it uses less digits than its factorization.

22221431130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55190.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 22221431130 its reverse (3113412222), we get a palindrome (25334843352).

The spelling of 22221431130 in words is "twenty-two billion, two hundred twenty-one million, four hundred thirty-one thousand, one hundred thirty".