2232531 has 12 divisors (see below), whose sum is σ = 3685552. Its totient is φ = 1275696.

The previous prime is 2232523. The next prime is 2232551. The reversal of 2232531 is 1352322.

It is not a de Polignac number, because 2232531 - 2³ = 2232523 is a prime.

It is a super-3 number, since 3×2232531³ = 33382107305377731873, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

2232531 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2232511) 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, 17656 + ... + 17781.

2^2232531 is an apocalyptic number.

2232531 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2232531 is a deficient number, since it is larger than the sum of its proper divisors (1453021).

2232531 is a wasteful number, since it uses less digits than its factorization.

2232531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35450 (or 35447 counting only the distinct ones).

The product of its digits is 360, while the sum is 18.

The square root of 2232531 is about 1494.1656534668. The cubic root of 2232531 is about 130.6970643160.

Adding to 2232531 its reverse (1352322), we get a palindrome (3584853).

The spelling of 2232531 in words is "two million, two hundred thirty-two thousand, five hundred thirty-one".