22423797 has 24 divisors (see below), whose sum is σ = 36647520. Its totient is φ = 13588560.

The previous prime is 22423787. The next prime is 22423801. The reversal of 22423797 is 79732422.

It is not a de Polignac number, because 22423797 - 2⁶ = 22423733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22423787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1522 + ... + 6867.

It is an arithmetic number, because the mean of its divisors is an integer number (1526980).

Almost surely, 2^22423797 is an apocalyptic number.

22423797 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

22423797 is a deficient number, since it is larger than the sum of its proper divisors (14223723).

22423797 is an equidigital number, since it uses as much as digits as its factorization.

22423797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8415 (or 8403 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 22423797 is about 4735.3771761075. The cubic root of 22423797 is about 281.9917381011.

It can be divided in two parts, 22423 and 797, that added together give a triangular number (23220 = T₂₁₅).

The spelling of 22423797 in words is "twenty-two million, four hundred twenty-three thousand, seven hundred ninety-seven".