2264991 has 8 divisors (see below), whose sum is σ = 3069744. Its totient is φ = 1485120.

The previous prime is 2264959. The next prime is 2265001. The reversal of 2264991 is 1994622.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2264991 - 2⁵ = 2264959 is a prime.

2264991 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2264191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6006 + ... + 6371.

It is an arithmetic number, because the mean of its divisors is an integer number (383718).

2^2264991 is an apocalyptic number.

2264991 is a deficient number, since it is larger than the sum of its proper divisors (804753).

2264991 is a wasteful number, since it uses less digits than its factorization.

2264991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12441.

The product of its digits is 7776, while the sum is 33.

The square root of 2264991 is about 1504.9887042765. The cubic root of 2264991 is about 131.3274445440.

The spelling of 2264991 in words is "two million, two hundred sixty-four thousand, nine hundred ninety-one".