22093971 has 4 divisors (see below), whose sum is σ = 29458632. Its totient is φ = 14729312.

The previous prime is 22093927. The next prime is 22093991. The reversal of 22093971 is 17939022.

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 22093971 - 2⁷ = 22093843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22093991) 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, 3682326 + ... + 3682331.

It is an arithmetic number, because the mean of its divisors is an integer number (7364658).

Almost surely, 2^22093971 is an apocalyptic number.

22093971 is a deficient number, since it is larger than the sum of its proper divisors (7364661).

22093971 is an equidigital number, since it uses as much as digits as its factorization.

22093971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7364660.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 22093971 is about 4700.4224278250. The cubic root of 22093971 is about 280.6023215850.

The spelling of 22093971 in words is "twenty-two million, ninety-three thousand, nine hundred seventy-one".