22152879000 has 1024 divisors, whose sum is σ = 95846400000. Its totient is φ = 4618944000.

The previous prime is 22152878989. The next prime is 22152879053. The reversal of 22152879000 is 97825122.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 111320901 + ... + 111321099.

It is an arithmetic number, because the mean of its divisors is an integer number (93600000).

Almost surely, 2^22152879000 is an apocalyptic number.

22152879000 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 22152879000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47923200000).

22152879000 is an abundant number, since it is smaller than the sum of its proper divisors (73693521000).

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

22152879000 is a wasteful number, since it uses less digits than its factorization.

22152879000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286 (or 266 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The spelling of 22152879000 in words is "twenty-two billion, one hundred fifty-two million, eight hundred seventy-nine thousand".