22335643220 has 48 divisors (see below), whose sum is σ = 52819554816. Its totient is φ = 7860048000.

The previous prime is 22335643177. The next prime is 22335643223. The reversal of 22335643220 is 2234653322.

It is a super-2 number, since 2×22335643220² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22335643223) by changing a digit.

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, 1630691 + ... + 1644330.

It is an arithmetic number, because the mean of its divisors is an integer number (1100407392).

Almost surely, 2^22335643220 is an apocalyptic number.

22335643220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22335643220 is an abundant number, since it is smaller than the sum of its proper divisors (30483911596).

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

22335643220 is a wasteful number, since it uses less digits than its factorization.

22335643220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3275072 (or 3275070 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 32.

The spelling of 22335643220 in words is "twenty-two billion, three hundred thirty-five million, six hundred forty-three thousand, two hundred twenty".