22607425 has 6 divisors (see below), whose sum is σ = 28033238. Its totient is φ = 18085920.

The previous prime is 22607411. The next prime is 22607461. The reversal of 22607425 is 52470622.

It can be written as a sum of positive squares in 3 ways, for example, as 25921 + 22581504 = 161^2 + 4752^2 .

It is not a de Polignac number, because 22607425 - 2¹³ = 22599233 is a prime.

It is a super-2 number, since 2×22607425² = 1022191330261250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22607393 and 22607402.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 452124 + ... + 452173.

Almost surely, 2^22607425 is an apocalyptic number.

22607425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22607425 is a deficient number, since it is larger than the sum of its proper divisors (5425813).

22607425 is an equidigital number, since it uses as much as digits as its factorization.

22607425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904307 (or 904302 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 22607425 is about 4754.7265957150. The cubic root of 22607425 is about 282.7593879384.

It can be divided in two parts, 22607 and 425, that added together give a palindrome (23032).

The spelling of 22607425 in words is "twenty-two million, six hundred seven thousand, four hundred twenty-five".