22757952 has 168 divisors, whose sum is σ = 72969120. Its totient is φ = 6236160.

The previous prime is 22757939. The next prime is 22757989. The reversal of 22757952 is 25975722.

It is a tau number, because it is divible by the number of its divisors (168).

It is a self number, because there is not a number n which added to its sum of digits gives 22757952.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 385699 + ... + 385757.

It is an arithmetic number, because the mean of its divisors is an integer number (434340).

Almost surely, 2^22757952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22757952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36484560).

22757952 is an abundant number, since it is smaller than the sum of its proper divisors (50211168).

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

22757952 is a wasteful number, since it uses less digits than its factorization.

22757952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129 (or 112 counting only the distinct ones).

The product of its digits is 88200, while the sum is 39.

The square root of 22757952 is about 4770.5295303561. The cubic root of 22757952 is about 283.3855657645.

The spelling of 22757952 in words is "twenty-two million, seven hundred fifty-seven thousand, nine hundred fifty-two".