22231023210 has 64 divisors (see below), whose sum is σ = 64672076160. Its totient is φ = 5389338240.

The previous prime is 22231023209. The next prime is 22231023223. The reversal of 22231023210 is 1232013222.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3739627 + ... + 3745566.

It is an arithmetic number, because the mean of its divisors is an integer number (1010501190).

Almost surely, 2^22231023210 is an apocalyptic number.

22231023210 is an abundant number, since it is smaller than the sum of its proper divisors (42441052950).

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

22231023210 is a wasteful number, since it uses less digits than its factorization.

22231023210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7485220 (or 7485214 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 22231023210 its reverse (1232013222), we get a palindrome (23463036432).

The spelling of 22231023210 in words is "twenty-two billion, two hundred thirty-one million, twenty-three thousand, two hundred ten".