32442225 has 24 divisors (see below), whose sum is σ = 53850720. Its totient is φ = 17233920.

The previous prime is 32442209. The next prime is 32442227. The reversal of 32442225 is 52224423.

It is a happy number.

It is not a de Polignac number, because 32442225 - 2⁴ = 32442209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 32442195 and 32442204.

It is not an unprimeable number, because it can be changed into a prime (32442227) 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, 22321 + ... + 23729.

It is an arithmetic number, because the mean of its divisors is an integer number (2243780).

Almost surely, 2^32442225 is an apocalyptic number.

It is an amenable number.

32442225 is a deficient number, since it is larger than the sum of its proper divisors (21408495).

32442225 is a wasteful number, since it uses less digits than its factorization.

32442225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1729 (or 1724 counting only the distinct ones).

The product of its digits is 3840, while the sum is 24.

The square root of 32442225 is about 5695.8076688034. The cubic root of 32442225 is about 318.9360006305.

Adding to 32442225 its reverse (52224423), we get a palindrome (84666648).

The spelling of 32442225 in words is "thirty-two million, four hundred forty-two thousand, two hundred twenty-five".