22874891 has 4 divisors (see below), whose sum is σ = 24634512. Its totient is φ = 21115272.

The previous prime is 22874867. The next prime is 22874893. The reversal of 22874891 is 19847822.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19847822 = 2 ⋅9923911.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22874891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22874893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 879791 + ... + 879816.

It is an arithmetic number, because the mean of its divisors is an integer number (6158628).

Almost surely, 2^22874891 is an apocalyptic number.

22874891 is a deficient number, since it is larger than the sum of its proper divisors (1759621).

22874891 is a wasteful number, since it uses less digits than its factorization.

22874891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1759620.

The product of its digits is 64512, while the sum is 41.

The square root of 22874891 is about 4782.7702223711. The cubic root of 22874891 is about 283.8701176579.

The spelling of 22874891 in words is "twenty-two million, eight hundred seventy-four thousand, eight hundred ninety-one".