22222122002 has 16 divisors (see below), whose sum is σ = 33928089624. Its totient is φ = 10913280000.

The previous prime is 22222121983. The next prime is 22222122023. The reversal of 22222122002 is 20022122222.

It can be written as a sum of positive squares in 4 ways, for example, as 12584576761 + 9637545241 = 112181^2 + 98171^2 .

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, 44399 + ... + 215442.

Almost surely, 2^22222122002 is an apocalyptic number.

22222122002 is a deficient number, since it is larger than the sum of its proper divisors (11705967622).

22222122002 is a wasteful number, since it uses less digits than its factorization.

22222122002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260605.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 22222122002 its reverse (20022122222), we get a palindrome (42244244224).

The spelling of 22222122002 in words is "twenty-two billion, two hundred twenty-two million, one hundred twenty-two thousand, two".