283225491 has 72 divisors (see below), whose sum is σ = 467106640. Its totient is φ = 171320832.

The previous prime is 283225483. The next prime is 283225493. The reversal of 283225491 is 194522382.

It is a happy number.

It is not a de Polignac number, because 283225491 - 2³ = 283225483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (283225493) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2598345 + ... + 2598453.

Almost surely, 2^283225491 is an apocalyptic number.

283225491 is a deficient number, since it is larger than the sum of its proper divisors (183881149).

283225491 is a wasteful number, since it uses less digits than its factorization.

283225491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195 (or 166 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 283225491 is about 16829.3045310851. The cubic root of 283225491 is about 656.7157712198.

The spelling of 283225491 in words is "two hundred eighty-three million, two hundred twenty-five thousand, four hundred ninety-one".