31462225 has 12 divisors (see below), whose sum is σ = 39095836. Its totient is φ = 25116480.

The previous prime is 31462217. The next prime is 31462267. The reversal of 31462225 is 52226413.

It can be written as a sum of positive squares in 6 ways, for example, as 7177041 + 24285184 = 2679^2 + 4928^2 .

It is not a de Polignac number, because 31462225 - 2³ = 31462217 is a prime.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

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

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31462225.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14299 + ... + 16351.

Almost surely, 2^31462225 is an apocalyptic number.

It is an amenable number.

31462225 is a deficient number, since it is larger than the sum of its proper divisors (7633611).

31462225 is a wasteful number, since it uses less digits than its factorization.

31462225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2676 (or 2671 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 31462225 is about 5609.1198061728. The cubic root of 31462225 is about 315.6916857429.

Adding to 31462225 its reverse (52226413), we get a palindrome (83688638).

The spelling of 31462225 in words is "thirty-one million, four hundred sixty-two thousand, two hundred twenty-five".