22248023 has 4 divisors (see below), whose sum is σ = 25426320. Its totient is φ = 19069728.

The previous prime is 22248013. The next prime is 22248029. The reversal of 22248023 is 32084222.

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 22248023 - 2¹⁶ = 22182487 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22248023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22248029) 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, 1589138 + ... + 1589151.

It is an arithmetic number, because the mean of its divisors is an integer number (6356580).

Almost surely, 2^22248023 is an apocalyptic number.

22248023 is a deficient number, since it is larger than the sum of its proper divisors (3178297).

22248023 is an equidigital number, since it uses as much as digits as its factorization.

22248023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3178296.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 22248023 is about 4716.7809997921. The cubic root of 22248023 is about 281.2529857790.

The spelling of 22248023 in words is "twenty-two million, two hundred forty-eight thousand, twenty-three".