22716899 has 4 divisors (see below), whose sum is σ = 22733664. Its totient is φ = 22700136.

The previous prime is 22716887. The next prime is 22716907. The reversal of 22716899 is 99861722.

It is a happy number.

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 22716899 - 2⁸ = 22716643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22716809) 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 3 ways as a sum of consecutive naturals, for example, 6152 + ... + 9125.

It is an arithmetic number, because the mean of its divisors is an integer number (5683416).

Almost surely, 2^22716899 is an apocalyptic number.

22716899 is a deficient number, since it is larger than the sum of its proper divisors (16765).

22716899 is a wasteful number, since it uses less digits than its factorization.

22716899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16764.

The product of its digits is 108864, while the sum is 44.

The square root of 22716899 is about 4766.2248163510. The cubic root of 22716899 is about 283.2150637489.

The spelling of 22716899 in words is "twenty-two million, seven hundred sixteen thousand, eight hundred ninety-nine".