22890325 has 6 divisors (see below), whose sum is σ = 28384034. Its totient is φ = 18312240.

The previous prime is 22890323. The next prime is 22890331. The reversal of 22890325 is 52309822.

It can be written as a sum of positive squares in 3 ways, for example, as 22801 + 22867524 = 151^2 + 4782^2 .

It is not a de Polignac number, because 22890325 - 2¹ = 22890323 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22890323) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 457782 + ... + 457831.

Almost surely, 2^22890325 is an apocalyptic number.

22890325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22890325 is a deficient number, since it is larger than the sum of its proper divisors (5493709).

22890325 is an equidigital number, since it uses as much as digits as its factorization.

22890325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915623 (or 915618 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 22890325 is about 4784.3834503518. The cubic root of 22890325 is about 283.9339469806.

The spelling of 22890325 in words is "twenty-two million, eight hundred ninety thousand, three hundred twenty-five".