20222212210 has 16 divisors (see below), whose sum is σ = 36406339992. Its totient is φ = 8087472000.

The previous prime is 20222212207. The next prime is 20222212229. The reversal of 20222212210 is 1221222202.

It can be written as a sum of positive squares in 4 ways, for example, as 20104120521 + 118091689 = 141789^2 + 10867^2 .

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, 115491 + ... + 231910.

Almost surely, 2^20222212210 is an apocalyptic number.

20222212210 is a deficient number, since it is larger than the sum of its proper divisors (16184127782).

20222212210 is a wasteful number, since it uses less digits than its factorization.

20222212210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353229.

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

Adding to 20222212210 its reverse (1221222202), we get a palindrome (21443434412).

The spelling of 20222212210 in words is "twenty billion, two hundred twenty-two million, two hundred twelve thousand, two hundred ten".