22332225 has 24 divisors (see below), whose sum is σ = 37220832. Its totient is φ = 11814400.

The previous prime is 22332221. The next prime is 22332227. The reversal of 22332225 is 52223322.

It is not a de Polignac number, because 22332225 - 2² = 22332221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22332221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8689 + ... + 10961.

It is an arithmetic number, because the mean of its divisors is an integer number (1550868).

Almost surely, 2^22332225 is an apocalyptic number.

22332225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22332225 is a deficient number, since it is larger than the sum of its proper divisors (14888607).

22332225 is a wasteful number, since it uses less digits than its factorization.

22332225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2417 (or 2412 counting only the distinct ones).

The product of its digits is 1440, while the sum is 21.

The square root of 22332225 is about 4725.6983610891. The cubic root of 22332225 is about 281.6073580918.

Adding to 22332225 its reverse (52223322), we get a palindrome (74555547).

The spelling of 22332225 in words is "twenty-two million, three hundred thirty-two thousand, two hundred twenty-five".