2291495 has 8 divisors (see below), whose sum is σ = 2894640. Its totient is φ = 1736640.

The previous prime is 2291491. The next prime is 2291539. The reversal of 2291495 is 5941922.

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

It is not a de Polignac number, because 2291495 - 2² = 2291491 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2291491) 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, 11966 + ... + 12155.

It is an arithmetic number, because the mean of its divisors is an integer number (361830).

2^2291495 is an apocalyptic number.

2291495 is a deficient number, since it is larger than the sum of its proper divisors (603145).

2291495 is a wasteful number, since it uses less digits than its factorization.

2291495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24145.

The product of its digits is 6480, while the sum is 32.

The square root of 2291495 is about 1513.7684763530. The cubic root of 2291495 is about 131.8377061124.

The spelling of 2291495 in words is "two million, two hundred ninety-one thousand, four hundred ninety-five".