22522425 has 12 divisors (see below), whose sum is σ = 37237200. Its totient is φ = 12011920.

The previous prime is 22522363. The next prime is 22522427. The reversal of 22522425 is 52422522.

It is a happy number.

It is not a de Polignac number, because 22522425 - 2⁸ = 22522169 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22522395 and 22522404.

It is not an unprimeable number, because it can be changed into a prime (22522427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 150075 + ... + 150224.

It is an arithmetic number, because the mean of its divisors is an integer number (3103100).

Almost surely, 2^22522425 is an apocalyptic number.

22522425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22522425 is a deficient number, since it is larger than the sum of its proper divisors (14714775).

22522425 is a wasteful number, since it uses less digits than its factorization.

22522425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300312 (or 300307 counting only the distinct ones).

The product of its digits is 3200, while the sum is 24.

The square root of 22522425 is about 4745.7797041161. The cubic root of 22522425 is about 282.4045674467.

Adding to 22522425 its reverse (52422522), we get a palindrome (74944947).

The spelling of 22522425 in words is "twenty-two million, five hundred twenty-two thousand, four hundred twenty-five".