2287485531 has 12 divisors (see below), whose sum is σ = 3306197752. Its totient is φ = 1524043296.

The previous prime is 2287485511. The next prime is 2287485569. The reversal of 2287485531 is 1355847822.

2287485531 is a `hidden beast` number, since 2 + 28 + 74 + 8 + 553 + 1 = 666.

It is not a de Polignac number, because 2287485531 - 2⁶ = 2287485467 is a prime.

It is a super-2 number, since 2×2287485531² = 10465180109068703922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2287485511) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63466 + ... + 92751.

Almost surely, 2^2287485531 is an apocalyptic number.

2287485531 is a deficient number, since it is larger than the sum of its proper divisors (1018712221).

2287485531 is a wasteful number, since it uses less digits than its factorization.

2287485531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157850 (or 157847 counting only the distinct ones).

The product of its digits is 537600, while the sum is 45.

The square root of 2287485531 is about 47827.6649126842. The cubic root of 2287485531 is about 1317.6076830612.

The spelling of 2287485531 in words is "two billion, two hundred eighty-seven million, four hundred eighty-five thousand, five hundred thirty-one".