22413725 has 6 divisors (see below), whose sum is σ = 27793050. Its totient is φ = 17930960.

The previous prime is 22413709. The next prime is 22413731. The reversal of 22413725 is 52731422.

It can be written as a sum of positive squares in 3 ways, for example, as 267289 + 22146436 = 517^2 + 4706^2 .

It is not a de Polignac number, because 22413725 - 2⁴ = 22413709 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22413694 and 22413703.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 448250 + ... + 448299.

It is an arithmetic number, because the mean of its divisors is an integer number (4632175).

Almost surely, 2^22413725 is an apocalyptic number.

22413725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22413725 is a deficient number, since it is larger than the sum of its proper divisors (5379325).

22413725 is an equidigital number, since it uses as much as digits as its factorization.

22413725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896559 (or 896554 counting only the distinct ones).

The product of its digits is 3360, while the sum is 26.

The square root of 22413725 is about 4734.3135722088. The cubic root of 22413725 is about 281.9495114414.

The spelling of 22413725 in words is "twenty-two million, four hundred thirteen thousand, seven hundred twenty-five".