22751900 has 18 divisors (see below), whose sum is σ = 49371840. Its totient is φ = 9100720.

The previous prime is 22751887. The next prime is 22751903. The reversal of 22751900 is 915722.

It is a super-2 number, since 2×22751900² = 1035297907220000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22751900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22751903) 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 5 ways as a sum of consecutive naturals, for example, 113660 + ... + 113859.

It is an arithmetic number, because the mean of its divisors is an integer number (2742880).

Almost surely, 2^22751900 is an apocalyptic number.

22751900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22751900 is an abundant number, since it is smaller than the sum of its proper divisors (26619940).

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

22751900 is a wasteful number, since it uses less digits than its factorization.

22751900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227533 (or 227526 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 22751900 is about 4769.8951770453. The cubic root of 22751900 is about 283.3604433883.

The spelling of 22751900 in words is "twenty-two million, seven hundred fifty-one thousand, nine hundred".