3222531225 has 36 divisors (see below), whose sum is σ = 5816025072. Its totient is φ = 1705548000.

The previous prime is 3222531223. The next prime is 3222531287. The reversal of 3222531225 is 5221352223.

3222531225 is a `hidden beast` number, since 322 + 2 + 5 + 312 + 25 = 666.

It is not a de Polignac number, because 3222531225 - 2¹ = 3222531223 is a prime.

It is a super-2 number, since 2×3222531225² = 20769414992200001250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3222531223) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 25191 + ... + 84140.

It is an arithmetic number, because the mean of its divisors is an integer number (161556252).

Almost surely, 2^3222531225 is an apocalyptic number.

It is an amenable number.

3222531225 is a deficient number, since it is larger than the sum of its proper divisors (2593493847).

3222531225 is a wasteful number, since it uses less digits than its factorization.

3222531225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109478 (or 109470 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 3222531225 is about 56767.3429446896. The cubic root of 3222531225 is about 1477.0630863895.

Adding to 3222531225 its reverse (5221352223), we get a palindrome (8443883448).

The spelling of 3222531225 in words is "three billion, two hundred twenty-two million, five hundred thirty-one thousand, two hundred twenty-five".