52262290 has 24 divisors (see below), whose sum is σ = 96453540. Its totient is φ = 20388480.

The previous prime is 52262269. The next prime is 52262323. The reversal of 52262290 is 9226225.

It can be written as a sum of positive squares in 6 ways, for example, as 32761 + 52229529 = 181^2 + 7227^2 .

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, 15256 + ... + 18364.

Almost surely, 2^52262290 is an apocalyptic number.

52262290 is a deficient number, since it is larger than the sum of its proper divisors (44191250).

52262290 is a wasteful number, since it uses less digits than its factorization.

52262290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3198 (or 3157 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 52262290 is about 7229.2662144923. The cubic root of 52262290 is about 373.8776278035.

The spelling of 52262290 in words is "fifty-two million, two hundred sixty-two thousand, two hundred ninety".