23221003113220 has 48 divisors (see below), whose sum is σ = 53197600776768. Its totient is φ = 8443938648960.

The previous prime is 23221003113199. The next prime is 23221003113263. The reversal of 23221003113220 is 2231130012232.

It is a super-3 number, since 3×23221003113220³ (a number of 41 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 23221003113191 and 23221003113200.

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, 37938334 + ... + 38545546.

It is an arithmetic number, because the mean of its divisors is an integer number (1108283349516).

Almost surely, 2^{23221003113220} is an apocalyptic number.

23221003113220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23221003113220 is an abundant number, since it is smaller than the sum of its proper divisors (29976597663548).

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

23221003113220 is a wasteful number, since it uses less digits than its factorization.

23221003113220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781060 (or 781058 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 23221003113220 its reverse (2231130012232), we get a palindrome (25452133125452).

The spelling of 23221003113220 in words is "twenty-three trillion, two hundred twenty-one billion, three million, one hundred thirteen thousand, two hundred twenty".