2422891 has 8 divisors (see below), whose sum is σ = 2579040. Its totient is φ = 2268288.

The previous prime is 2422877. The next prime is 2422907. The reversal of 2422891 is 1982242.

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 2422891 - 2¹⁵ = 2390123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2422811) 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, 5905 + ... + 6301.

It is an arithmetic number, because the mean of its divisors is an integer number (322380).

2^2422891 is an apocalyptic number.

2422891 is a deficient number, since it is larger than the sum of its proper divisors (156149).

2422891 is a wasteful number, since it uses less digits than its factorization.

2422891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773.

The product of its digits is 2304, while the sum is 28.

The square root of 2422891 is about 1556.5638438561. The cubic root of 2422891 is about 134.3109101982.

The spelling of 2422891 in words is "two million, four hundred twenty-two thousand, eight hundred ninety-one".