32212225 has 12 divisors (see below), whose sum is σ = 40313020. Its totient is φ = 25531200.

The previous prime is 32212211. The next prime is 32212241. The reversal of 32212225 is 52221223.

It can be written as a sum of positive squares in 6 ways, for example, as 1874161 + 30338064 = 1369^2 + 5508^2 .

It is not a de Polignac number, because 32212225 - 2⁷ = 32212097 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3186 + ... + 8635.

Almost surely, 2^32212225 is an apocalyptic number.

It is an amenable number.

32212225 is a deficient number, since it is larger than the sum of its proper divisors (8100795).

32212225 is a wasteful number, since it uses less digits than its factorization.

32212225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11940 (or 11935 counting only the distinct ones).

The product of its digits is 480, while the sum is 19.

The square root of 32212225 is about 5675.5814680084. The cubic root of 32212225 is about 318.1805107553.

Adding to 32212225 its reverse (52221223), we get a palindrome (84433448).

The spelling of 32212225 in words is "thirty-two million, two hundred twelve thousand, two hundred twenty-five".