2215044431 has 2 divisors, whose sum is σ = 2215044432. Its totient is φ = 2215044430.

The previous prime is 2215044409. The next prime is 2215044437. The reversal of 2215044431 is 1344405122.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2215044431 is a prime.

It is a super-2 number, since 2×2215044431² = 9812843662608227522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2215044431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2215044437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1107522215 + 1107522216.

It is an arithmetic number, because the mean of its divisors is an integer number (1107522216).

Almost surely, 2^2215044431 is an apocalyptic number.

2215044431 is a deficient number, since it is larger than the sum of its proper divisors (1).

2215044431 is an equidigital number, since it uses as much as digits as its factorization.

2215044431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 2215044431 is about 47064.2585302265. The cubic root of 2215044431 is about 1303.5493598147.

Adding to 2215044431 its reverse (1344405122), we get a palindrome (3559449553).

The spelling of 2215044431 in words is "two billion, two hundred fifteen million, forty-four thousand, four hundred thirty-one".