22828623 has 4 divisors (see below), whose sum is σ = 30438168. Its totient is φ = 15219080.

The previous prime is 22828621. The next prime is 22828649. The reversal of 22828623 is 32682822.

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 22828623 - 2¹ = 22828621 is a prime.

It is a super-2 number, since 2×22828623² = 1042292056152258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22828621) 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, 3804768 + ... + 3804773.

It is an arithmetic number, because the mean of its divisors is an integer number (7609542).

Almost surely, 2^22828623 is an apocalyptic number.

22828623 is a deficient number, since it is larger than the sum of its proper divisors (7609545).

22828623 is an equidigital number, since it uses as much as digits as its factorization.

22828623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7609544.

The product of its digits is 18432, while the sum is 33.

The square root of 22828623 is about 4777.9308282980. The cubic root of 22828623 is about 283.6785980886.

The spelling of 22828623 in words is "twenty-two million, eight hundred twenty-eight thousand, six hundred twenty-three".