22222020002 has 32 divisors (see below), whose sum is σ = 41486256000. Its totient is φ = 8692345728.

The previous prime is 22222019983. The next prime is 22222020017. The reversal of 22222020002 is 20002022222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 669752 + ... + 702147.

It is an arithmetic number, because the mean of its divisors is an integer number (1296445500).

Almost surely, 2^22222020002 is an apocalyptic number.

22222020002 is a deficient number, since it is larger than the sum of its proper divisors (19264235998).

22222020002 is a wasteful number, since it uses less digits than its factorization.

22222020002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1372010.

The product of its (nonzero) digits is 128, while the sum is 14.

Adding to 22222020002 its reverse (20002022222), we get a palindrome (42224042224).

The spelling of 22222020002 in words is "twenty-two billion, two hundred twenty-two million, twenty thousand, two".