22231031322 has 16 divisors (see below), whose sum is σ = 44473011840. Its totient is φ = 7408518912.

The previous prime is 22231031309. The next prime is 22231031351. The reversal of 22231031322 is 22313013222.

It is a happy 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, 429703 + ... + 478650.

It is an arithmetic number, because the mean of its divisors is an integer number (2779563240).

Almost surely, 2^22231031322 is an apocalyptic number.

22231031322 is an abundant number, since it is smaller than the sum of its proper divisors (22241980518).

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

22231031322 is a wasteful number, since it uses less digits than its factorization.

22231031322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912437.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 22231031322 its reverse (22313013222), we get a palindrome (44544044544).

The spelling of 22231031322 in words is "twenty-two billion, two hundred thirty-one million, thirty-one thousand, three hundred twenty-two".