22044220022 has 32 divisors (see below), whose sum is σ = 37338796800. Its totient is φ = 9668730400.

The previous prime is 22044219947. The next prime is 22044220043. The reversal of 22044220022 is 22002244022.

It is a junction number, because it is equal to n+sod(n) for n = 22044219976 and 22044220003.

It is a congruent number.

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, 1145879 + ... + 1164957.

It is an arithmetic number, because the mean of its divisors is an integer number (1166837400).

Almost surely, 2^22044220022 is an apocalyptic number.

22044220022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22044220022 is a deficient number, since it is larger than the sum of its proper divisors (15294576778).

22044220022 is a wasteful number, since it uses less digits than its factorization.

22044220022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20932.

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 22044220022 its reverse (22002244022), we get a palindrome (44046464044).

The spelling of 22044220022 in words is "twenty-two billion, forty-four million, two hundred twenty thousand, twenty-two".