22040218220 has 12 divisors (see below), whose sum is σ = 46284458304. Its totient is φ = 8816087280.

The previous prime is 22040218183. The next prime is 22040218231. The reversal of 22040218220 is 2281204022.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 551005436 + ... + 551005475.

It is an arithmetic number, because the mean of its divisors is an integer number (3857038192).

Almost surely, 2^22040218220 is an apocalyptic number.

22040218220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22040218220 is an abundant number, since it is smaller than the sum of its proper divisors (24244240084).

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

22040218220 is a wasteful number, since it uses less digits than its factorization.

22040218220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102010920 (or 1102010918 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

The spelling of 22040218220 in words is "twenty-two billion, forty million, two hundred eighteen thousand, two hundred twenty".