2215915593 has 4 divisors (see below), whose sum is σ = 2954554128. Its totient is φ = 1477277060.

The previous prime is 2215915591. The next prime is 2215915601. The reversal of 2215915593 is 3955195122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2215915593 - 2¹ = 2215915591 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2215915591) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 369319263 + ... + 369319268.

It is an arithmetic number, because the mean of its divisors is an integer number (738638532).

Almost surely, 2^2215915593 is an apocalyptic number.

It is an amenable number.

2215915593 is a deficient number, since it is larger than the sum of its proper divisors (738638535).

2215915593 is an equidigital number, since it uses as much as digits as its factorization.

2215915593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738638534.

The product of its digits is 121500, while the sum is 42.

The square root of 2215915593 is about 47073.5126477725. The cubic root of 2215915593 is about 1303.7202297995.

The spelling of 2215915593 in words is "two billion, two hundred fifteen million, nine hundred fifteen thousand, five hundred ninety-three".