1225465252 has 36 divisors (see below), whose sum is σ = 2366199808. Its totient is φ = 554914800.

The previous prime is 1225465243. The next prime is 1225465279. The reversal of 1225465252 is 2525645221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 126493 + ... + 135835.

Almost surely, 2^1225465252 is an apocalyptic number.

It is an amenable number.

1225465252 is a deficient number, since it is larger than the sum of its proper divisors (1140734556).

1225465252 is a wasteful number, since it uses less digits than its factorization.

1225465252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9640 (or 9627 counting only the distinct ones).

The product of its digits is 48000, while the sum is 34.

The square root of 1225465252 is about 35006.6458261856. The cubic root of 1225465252 is about 1070.1229229612.

The spelling of 1225465252 in words is "one billion, two hundred twenty-five million, four hundred sixty-five thousand, two hundred fifty-two".