22361725 has 12 divisors (see below), whose sum is σ = 28110676. Its totient is φ = 17642880.

The previous prime is 22361711. The next prime is 22361737. The reversal of 22361725 is 52716322.

It can be written as a sum of positive squares in 6 ways, for example, as 290521 + 22071204 = 539^2 + 4698^2 .

It is not a de Polignac number, because 22361725 - 2⁵ = 22361693 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22361693 and 22361702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4302 + ... + 7951.

Almost surely, 2^22361725 is an apocalyptic number.

22361725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22361725 is a deficient number, since it is larger than the sum of its proper divisors (5748951).

22361725 is a wasteful number, since it uses less digits than its factorization.

22361725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12336 (or 12331 counting only the distinct ones).

The product of its digits is 5040, while the sum is 28.

The square root of 22361725 is about 4728.8185628125. The cubic root of 22361725 is about 281.7313009863.

The spelling of 22361725 in words is "twenty-two million, three hundred sixty-one thousand, seven hundred twenty-five".