2240215231 has 2 divisors, whose sum is σ = 2240215232. Its totient is φ = 2240215230.

The previous prime is 2240215213. The next prime is 2240215253. The reversal of 2240215231 is 1325120422.

It is a happy number.

Together with previous prime (2240215213) it forms an Ormiston pair, because they use the same digits, order apart.

It is an a-pointer prime, because the next prime (2240215253) can be obtained adding 2240215231 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2240215231 - 2⁵ = 2240215199 is a prime.

It is a super-2 number, since 2×2240215231² = 10037128562408766722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2240215261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1120107615 + 1120107616.

It is an arithmetic number, because the mean of its divisors is an integer number (1120107616).

Almost surely, 2^2240215231 is an apocalyptic number.

2240215231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2240215231 is an equidigital number, since it uses as much as digits as its factorization.

2240215231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2240215231 is about 47330.9120026226. The cubic root of 2240215231 is about 1308.4684295710.

Adding to 2240215231 its reverse (1325120422), we get a palindrome (3565335653).

The spelling of 2240215231 in words is "two billion, two hundred forty million, two hundred fifteen thousand, two hundred thirty-one".