22753250 has 32 divisors (see below), whose sum is σ = 45877104. Its totient is φ = 8400000.

The previous prime is 22753243. The next prime is 22753253. The reversal of 22753250 is 5235722.

It can be written as a sum of positive squares in 8 ways, for example, as 67081 + 22686169 = 259^2 + 4763^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (22753253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 251 + ... + 6750.

Almost surely, 2^22753250 is an apocalyptic number.

22753250 is an abundant number, since it is smaller than the sum of its proper divisors (23123854).

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

22753250 is a wasteful number, since it uses less digits than its factorization.

22753250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7031 (or 7021 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 22753250 is about 4770.0366874899. The cubic root of 22753250 is about 283.3660477412.

Adding to 22753250 its reverse (5235722), we get a palindrome (27988972).

The spelling of 22753250 in words is "twenty-two million, seven hundred fifty-three thousand, two hundred fifty".