9402449225 has 12 divisors (see below), whose sum is σ = 12555886476. Its totient is φ = 6943346880.

The previous prime is 9402449183. The next prime is 9402449249. The reversal of 9402449225 is 5229442049.

It can be written as a sum of positive squares in 6 ways, for example, as 652904704 + 8749544521 = 25552^2 + 93539^2 .

It is a de Polignac number, because none of the positive numbers 2^k-9402449225 is a prime.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

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, 14464982 + ... + 14465631.

It is an arithmetic number, because the mean of its divisors is an integer number (1046323873).

Almost surely, 2^9402449225 is an apocalyptic number.

It is an amenable number.

9402449225 is a deficient number, since it is larger than the sum of its proper divisors (3153437251).

9402449225 is a wasteful number, since it uses less digits than its factorization.

9402449225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28930636 (or 28930631 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 41.

The square root of 9402449225 is about 96966.2272391785. The cubic root of 9402449225 is about 2110.6375756444.

The spelling of 9402449225 in words is "nine billion, four hundred two million, four hundred forty-nine thousand, two hundred twenty-five".