2291400215 has 16 divisors (see below), whose sum is σ = 2968612416. Its totient is φ = 1687872000.

The previous prime is 2291400203. The next prime is 2291400217. The reversal of 2291400215 is 5120041922.

It is not a de Polignac number, because 2291400215 - 2²⁶ = 2224291351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2291400217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17891 + ... + 70020.

It is an arithmetic number, because the mean of its divisors is an integer number (185538276).

Almost surely, 2^2291400215 is an apocalyptic number.

2291400215 is a deficient number, since it is larger than the sum of its proper divisors (677212201).

2291400215 is a wasteful number, since it uses less digits than its factorization.

2291400215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88330.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 2291400215 is about 47868.5723100240. The cubic root of 2291400215 is about 1318.3588831674.

The spelling of 2291400215 in words is "two billion, two hundred ninety-one million, four hundred thousand, two hundred fifteen".