22240515220 has 48 divisors (see below), whose sum is σ = 58229716608. Its totient is φ = 6932108160.

The previous prime is 22240515173. The next prime is 22240515233. The reversal of 22240515220 is 2251504222.

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, 7219407 + ... + 7222486.

It is an arithmetic number, because the mean of its divisors is an integer number (1213119096).

Almost surely, 2^22240515220 is an apocalyptic number.

22240515220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22240515220 is an abundant number, since it is smaller than the sum of its proper divisors (35989201388).

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

22240515220 is a wasteful number, since it uses less digits than its factorization.

22240515220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14441920 (or 14441918 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The spelling of 22240515220 in words is "twenty-two billion, two hundred forty million, five hundred fifteen thousand, two hundred twenty".