22023021091 has 8 divisors (see below), whose sum is σ = 22058148944. Its totient is φ = 21987923040.

The previous prime is 22023021077. The next prime is 22023021131. The reversal of 22023021091 is 19012032022.

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 22023021091 - 2⁷ = 22023020963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22023021061) 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 7 ways as a sum of consecutive naturals, for example, 1804576 + ... + 1816738.

It is an arithmetic number, because the mean of its divisors is an integer number (2757268618).

Almost surely, 2^22023021091 is an apocalyptic number.

22023021091 is a deficient number, since it is larger than the sum of its proper divisors (35127853).

22023021091 is a wasteful number, since it uses less digits than its factorization.

22023021091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14901.

The product of its (nonzero) digits is 432, while the sum is 22.

The spelling of 22023021091 in words is "twenty-two billion, twenty-three million, twenty-one thousand, ninety-one".