22332525240 has 128 divisors (see below), whose sum is σ = 69241835520. Its totient is φ = 5762309760.

The previous prime is 22332525203. The next prime is 22332525263. The reversal of 22332525240 is 4252523322.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 22332525198 and 22332525207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3571797 + ... + 3578043.

It is an arithmetic number, because the mean of its divisors is an integer number (540951840).

Almost surely, 2^22332525240 is an apocalyptic number.

22332525240 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 22332525240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34620917760).

22332525240 is an abundant number, since it is smaller than the sum of its proper divisors (46909310280).

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

22332525240 is an equidigital number, since it uses as much as digits as its factorization.

22332525240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6354 (or 6288 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 30.

The spelling of 22332525240 in words is "twenty-two billion, three hundred thirty-two million, five hundred twenty-five thousand, two hundred forty".