22753320 has 64 divisors (see below), whose sum is σ = 68843520. Its totient is φ = 6015744.

The previous prime is 22753307. The next prime is 22753331. The reversal of 22753320 is 2335722.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14494 + ... + 15986.

It is an arithmetic number, because the mean of its divisors is an integer number (1075680).

Almost surely, 2^22753320 is an apocalyptic number.

22753320 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 22753320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34421760).

22753320 is an abundant number, since it is smaller than the sum of its proper divisors (46090200).

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

22753320 is a wasteful number, since it uses less digits than its factorization.

22753320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1634 (or 1630 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 24.

The square root of 22753320 is about 4770.0440249541. The cubic root of 22753320 is about 283.3663383312.

The spelling of 22753320 in words is "twenty-two million, seven hundred fifty-three thousand, three hundred twenty".