2240423531 has 8 divisors (see below), whose sum is σ = 2282761728. Its totient is φ = 2198385000.

The previous prime is 2240423467. The next prime is 2240423543. The reversal of 2240423531 is 1353240422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2240423531 - 2⁶ = 2240423467 is a prime.

It is a super-2 number, since 2×2240423531² = 10038995196517015922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2240423531.

It is not an unprimeable number, because it can be changed into a prime (2240423231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59795 + ... + 89756.

It is an arithmetic number, because the mean of its divisors is an integer number (285345216).

Almost surely, 2^2240423531 is an apocalyptic number.

2240423531 is a deficient number, since it is larger than the sum of its proper divisors (42338197).

2240423531 is a wasteful number, since it uses less digits than its factorization.

2240423531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149833.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 2240423531 is about 47333.1124161511. The cubic root of 2240423531 is about 1308.5089830444.

Adding to 2240423531 its reverse (1353240422), we get a palindrome (3593663953).

The spelling of 2240423531 in words is "two billion, two hundred forty million, four hundred twenty-three thousand, five hundred thirty-one".