22264374020 has 144 divisors (see below), whose sum is σ = 58929171840. Its totient is φ = 7017163776.

The previous prime is 22264374017. The next prime is 22264374029. The reversal of 22264374020 is 2047346222.

It is not an unprimeable number, because it can be changed into a prime (22264374029) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 700841 + ... + 731919.

It is an arithmetic number, because the mean of its divisors is an integer number (409230360).

Almost surely, 2^22264374020 is an apocalyptic number.

22264374020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22264374020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29464585920).

22264374020 is an abundant number, since it is smaller than the sum of its proper divisors (36664797820).

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

22264374020 is a wasteful number, since it uses less digits than its factorization.

22264374020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31162 (or 31153 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 32.

The spelling of 22264374020 in words is "twenty-two billion, two hundred sixty-four million, three hundred seventy-four thousand, twenty".