22211313220 has 12 divisors (see below), whose sum is σ = 46643757804. Its totient is φ = 8884525280.

The previous prime is 22211313211. The next prime is 22211313277. The reversal of 22211313220 is 2231311222.

It can be written as a sum of positive squares in 2 ways, for example, as 3737610496 + 18473702724 = 61136^2 + 135918^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555282811 + ... + 555282850.

It is an arithmetic number, because the mean of its divisors is an integer number (3886979817).

Almost surely, 2^22211313220 is an apocalyptic number.

22211313220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22211313220 is an abundant number, since it is smaller than the sum of its proper divisors (24432444584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22211313220 is a wasteful number, since it uses less digits than its factorization.

22211313220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110565670 (or 1110565668 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 22211313220 its reverse (2231311222), we get a palindrome (24442624442).

The spelling of 22211313220 in words is "twenty-two billion, two hundred eleven million, three hundred thirteen thousand, two hundred twenty".