22901125 has 32 divisors (see below), whose sum is σ = 32628960. Its totient is φ = 15897600.

The previous prime is 22901093. The next prime is 22901147. The reversal of 22901125 is 52110922.

It can be written as a sum of positive squares in 16 ways, for example, as 16378209 + 6522916 = 4047^2 + 2554^2 .

It is not a de Polignac number, because 22901125 - 2⁵ = 22901093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22901096 and 22901105.

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 31 ways as a sum of consecutive naturals, for example, 27211 + ... + 28039.

It is an arithmetic number, because the mean of its divisors is an integer number (1019655).

Almost surely, 2^22901125 is an apocalyptic number.

22901125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22901125 is a deficient number, since it is larger than the sum of its proper divisors (9727835).

22901125 is a wasteful number, since it uses less digits than its factorization.

22901125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874 (or 864 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 22901125 is about 4785.5119893278. The cubic root of 22901125 is about 283.9785947300.

It can be divided in two parts, 229011 and 25, that multiplied together give a palindrome (5725275).

The spelling of 22901125 in words is "twenty-two million, nine hundred one thousand, one hundred twenty-five".