22753720 has 32 divisors (see below), whose sum is σ = 55851120. Its totient is φ = 8273920.

The previous prime is 22753711. The next prime is 22753723. The reversal of 22753720 is 2735722.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22753723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25417 + ... + 26296.

Almost surely, 2^22753720 is an apocalyptic number.

22753720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22753720 is an abundant number, since it is smaller than the sum of its proper divisors (33097400).

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

22753720 is a wasteful number, since it uses less digits than its factorization.

22753720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51735 (or 51731 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 22753720 is about 4770.0859531040. The cubic root of 22753720 is about 283.3679988343.

It can be divided in two parts, 2275 and 3720, that added together give a palindrome (5995).

The spelling of 22753720 in words is "twenty-two million, seven hundred fifty-three thousand, seven hundred twenty".