22532425 has 12 divisors (see below), whose sum is σ = 28279440. Its totient is φ = 17807120.

The previous prime is 22532417. The next prime is 22532431. The reversal of 22532425 is 52423522.

It is a happy number.

It is not a de Polignac number, because 22532425 - 2³ = 22532417 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 22532425.

It is an unprimeable number.

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, 3355 + ... + 7504.

It is an arithmetic number, because the mean of its divisors is an integer number (2356620).

Almost surely, 2^22532425 is an apocalyptic number.

22532425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22532425 is a deficient number, since it is larger than the sum of its proper divisors (5747015).

22532425 is a wasteful number, since it uses less digits than its factorization.

22532425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10952 (or 10947 counting only the distinct ones).

The product of its digits is 4800, while the sum is 25.

The square root of 22532425 is about 4746.8331548518. The cubic root of 22532425 is about 282.4463573193.

Adding to 22532425 its reverse (52423522), we get a palindrome (74955947).

The spelling of 22532425 in words is "twenty-two million, five hundred thirty-two thousand, four hundred twenty-five".