22788023 has 4 divisors (see below), whose sum is σ = 22799280. Its totient is φ = 22776768.

The previous prime is 22788013. The next prime is 22788037. The reversal of 22788023 is 32088722.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 32088722 = 2 ⋅16044361.

It is a cyclic number.

It is not a de Polignac number, because 22788023 - 2¹⁸ = 22525879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22788013) 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, 1658 + ... + 6951.

It is an arithmetic number, because the mean of its divisors is an integer number (5699820).

Almost surely, 2^22788023 is an apocalyptic number.

22788023 is a deficient number, since it is larger than the sum of its proper divisors (11257).

22788023 is an equidigital number, since it uses as much as digits as its factorization.

22788023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11256.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 22788023 is about 4773.6802364633. The cubic root of 22788023 is about 283.5103270897.

It can be divided in two parts, 2278 and 8023, that added together give a palindrome (10301).

The spelling of 22788023 in words is "twenty-two million, seven hundred eighty-eight thousand, twenty-three".