23226621220 has 24 divisors (see below), whose sum is σ = 53210078208. Its totient is φ = 8446044000.

The previous prime is 23226621211. The next prime is 23226621227. The reversal of 23226621220 is 2212662232.

It is not an unprimeable number, because it can be changed into a prime (23226621227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52787556 + ... + 52787995.

It is an arithmetic number, because the mean of its divisors is an integer number (2217086592).

Almost surely, 2^23226621220 is an apocalyptic number.

23226621220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23226621220 is an abundant number, since it is smaller than the sum of its proper divisors (29983456988).

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

23226621220 is a wasteful number, since it uses less digits than its factorization.

23226621220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105575571 (or 105575569 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

It can be divided in two parts, 23226 and 621220, that added together give a palindrome (644446).

The spelling of 23226621220 in words is "twenty-three billion, two hundred twenty-six million, six hundred twenty-one thousand, two hundred twenty".