2240631 has 12 divisors (see below), whose sum is σ = 3305952. Its totient is φ = 1461696.

The previous prime is 2240629. The next prime is 2240633. The reversal of 2240631 is 1360422.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2240629) and next prime (2240633).

It is not a de Polignac number, because 2240631 - 2¹ = 2240629 is a prime.

It is a super-2 number, since 2×2240631² = 10040854556322, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2240633) 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, 2226 + ... + 3071.

It is an arithmetic number, because the mean of its divisors is an integer number (275496).

2^2240631 is an apocalyptic number.

2240631 is a deficient number, since it is larger than the sum of its proper divisors (1065321).

2240631 is a wasteful number, since it uses less digits than its factorization.

2240631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5350 (or 5347 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2240631 is about 1496.8737421707. The cubic root of 2240631 is about 130.8549372234.

The spelling of 2240631 in words is "two million, two hundred forty thousand, six hundred thirty-one".