23022499 has 4 divisors (see below), whose sum is σ = 23069880. Its totient is φ = 22975120.

The previous prime is 23022479. The next prime is 23022523. The reversal of 23022499 is 99422032.

23022499 is nontrivially palindromic in base 7.

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 23022499 - 2⁷ = 23022371 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 23022499.

It is not an unprimeable number, because it can be changed into a prime (23022479) 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, 22954 + ... + 23935.

It is an arithmetic number, because the mean of its divisors is an integer number (5767470).

Almost surely, 2^23022499 is an apocalyptic number.

23022499 is a deficient number, since it is larger than the sum of its proper divisors (47381).

23022499 is an equidigital number, since it uses as much as digits as its factorization.

23022499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47380.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 23022499 is about 4798.1766328471. The cubic root of 23022499 is about 284.4793984359.

The spelling of 23022499 in words is "twenty-three million, twenty-two thousand, four hundred ninety-nine".