23000022220 has 48 divisors (see below), whose sum is σ = 55210397760. Its totient is φ = 7884244224.

The previous prime is 23000022217. The next prime is 23000022239. The reversal of 23000022220 is 2222000032.

It is a self number, because there is not a number n which added to its sum of digits gives 23000022220.

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 15 ways as a sum of consecutive naturals, for example, 949702 + ... + 973618.

It is an arithmetic number, because the mean of its divisors is an integer number (1150216620).

Almost surely, 2^23000022220 is an apocalyptic number.

23000022220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23000022220 is an abundant number, since it is smaller than the sum of its proper divisors (32210375540).

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

23000022220 is a wasteful number, since it uses less digits than its factorization.

23000022220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30802 (or 30800 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 13.

Adding to 23000022220 its reverse (2222000032), we get a palindrome (25222022252).

The spelling of 23000022220 in words is "twenty-three billion, twenty-two thousand, two hundred twenty".