2215152291 has 16 divisors (see below), whose sum is σ = 3230559360. Its totient is φ = 1338966720.

The previous prime is 2215152283. The next prime is 2215152319. The reversal of 2215152291 is 1922515122.

It is not a de Polignac number, because 2215152291 - 2³ = 2215152283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2215152271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76050 + ... + 101063.

It is an arithmetic number, because the mean of its divisors is an integer number (201909960).

Almost surely, 2^2215152291 is an apocalyptic number.

2215152291 is a deficient number, since it is larger than the sum of its proper divisors (1015407069).

2215152291 is a wasteful number, since it uses less digits than its factorization.

2215152291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177506.

The product of its digits is 3600, while the sum is 30.

The square root of 2215152291 is about 47065.4043964354. The cubic root of 2215152291 is about 1303.5705179383.

The spelling of 2215152291 in words is "two billion, two hundred fifteen million, one hundred fifty-two thousand, two hundred ninety-one".