23022506 has 12 divisors (see below), whose sum is σ = 37229766. Its totient is φ = 10614480.

The previous prime is 23022479. The next prime is 23022523. The reversal of 23022506 is 60522032.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 18361225 + 4661281 = 4285^2 + 2159^2 .

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23996 + ... + 24936.

Almost surely, 2^23022506 is an apocalyptic number.

23022506 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

23022506 is a deficient number, since it is larger than the sum of its proper divisors (14207260).

23022506 is an frugal number, since it uses more digits than its factorization.

23022506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1897 (or 956 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 23022506 is about 4798.1773622908. The cubic root of 23022506 is about 284.4794272680.

Adding to 23022506 its reverse (60522032), we get a palindrome (83544538).

The spelling of 23022506 in words is "twenty-three million, twenty-two thousand, five hundred six".