22125300 has 36 divisors (see below), whose sum is σ = 64016736. Its totient is φ = 5900000.

The previous prime is 22125283. The next prime is 22125317. The reversal of 22125300 is 352122.

It is an interprime number because it is at equal distance from previous prime (22125283) and next prime (22125317).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 22125300.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 36576 + ... + 37175.

Almost surely, 2^22125300 is an apocalyptic number.

22125300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22125300 is an abundant number, since it is smaller than the sum of its proper divisors (41891436).

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

22125300 is a wasteful number, since it uses less digits than its factorization.

22125300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73768 (or 73761 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 22125300 is about 4703.7538200888. The cubic root of 22125300 is about 280.7348892469.

Adding to 22125300 its reverse (352122), we get a palindrome (22477422).

The spelling of 22125300 in words is "twenty-two million, one hundred twenty-five thousand, three hundred".