22310725 has 12 divisors (see below), whose sum is σ = 27887104. Its totient is φ = 17705520.

The previous prime is 22310723. The next prime is 22310737. The reversal of 22310725 is 52701322.

It is not a de Polignac number, because 22310725 - 2¹ = 22310723 is a prime.

It is a super-3 number, since 3×22310725³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22310696 and 22310705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22310723) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 339 + ... + 6688.

Almost surely, 2^22310725 is an apocalyptic number.

22310725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22310725 is a deficient number, since it is larger than the sum of its proper divisors (5576379).

22310725 is a wasteful number, since it uses less digits than its factorization.

22310725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7164 (or 7159 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 22310725 is about 4723.4230172620. The cubic root of 22310725 is about 281.5169580501.

The spelling of 22310725 in words is "twenty-two million, three hundred ten thousand, seven hundred twenty-five".