22662023 has 4 divisors (see below), whose sum is σ = 23393088. Its totient is φ = 21930960.

The previous prime is 22662001. The next prime is 22662043. The reversal of 22662023 is 32026622.

It is a happy number.

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 22662023 - 2¹² = 22657927 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 22662023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22662043) 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, 365486 + ... + 365547.

It is an arithmetic number, because the mean of its divisors is an integer number (5848272).

Almost surely, 2^22662023 is an apocalyptic number.

22662023 is a deficient number, since it is larger than the sum of its proper divisors (731065).

22662023 is an equidigital number, since it uses as much as digits as its factorization.

22662023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731064.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 22662023 is about 4760.4645781688. The cubic root of 22662023 is about 282.9868307040.

Adding to 22662023 its reverse (32026622), we get a palindrome (54688645).

The spelling of 22662023 in words is "twenty-two million, six hundred sixty-two thousand, twenty-three".