22202221210 has 24 divisors (see below), whose sum is σ = 43274628540. Its totient is φ = 8197742592.

The previous prime is 22202221201. The next prime is 22202221229. The reversal of 22202221210 is 1212220222.

It can be written as a sum of positive squares in 6 ways, for example, as 5987509641 + 16214711569 = 77379^2 + 127337^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6567015 + ... + 6570394.

Almost surely, 2^22202221210 is an apocalyptic number.

22202221210 is a deficient number, since it is larger than the sum of its proper divisors (21072407330).

22202221210 is a wasteful number, since it uses less digits than its factorization.

22202221210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13137442 (or 13137429 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22202221210 its reverse (1212220222), we get a palindrome (23414441432).

The spelling of 22202221210 in words is "twenty-two billion, two hundred two million, two hundred twenty-one thousand, two hundred ten".