2291455 has 8 divisors (see below), whose sum is σ = 2801952. Its totient is φ = 1798368.

The previous prime is 2291437. The next prime is 2291459. The reversal of 2291455 is 5541922.

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

It is a cyclic number.

It is not a de Polignac number, because 2291455 - 2⁷ = 2291327 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 (2291459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4059 + ... + 4588.

It is an arithmetic number, because the mean of its divisors is an integer number (350244).

2^2291455 is an apocalyptic number.

2291455 is a deficient number, since it is larger than the sum of its proper divisors (510497).

2291455 is an equidigital number, since it uses as much as digits as its factorization.

2291455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8705.

The product of its digits is 3600, while the sum is 28.

The square root of 2291455 is about 1513.7552642353. The cubic root of 2291455 is about 131.8369389948.

The spelling of 2291455 in words is "two million, two hundred ninety-one thousand, four hundred fifty-five".