22840499 has 4 divisors (see below), whose sum is σ = 24916920. Its totient is φ = 20764080.

The previous prime is 22840483. The next prime is 22840511. The reversal of 22840499 is 99404822.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22840499 - 2⁴ = 22840483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22840999) 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, 1038194 + ... + 1038215.

It is an arithmetic number, because the mean of its divisors is an integer number (6229230).

Almost surely, 2^22840499 is an apocalyptic number.

22840499 is a deficient number, since it is larger than the sum of its proper divisors (2076421).

22840499 is a wasteful number, since it uses less digits than its factorization.

22840499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2076420.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 22840499 is about 4779.1734641044. The cubic root of 22840499 is about 283.7277817091.

The spelling of 22840499 in words is "twenty-two million, eight hundred forty thousand, four hundred ninety-nine".