22323897 has 8 divisors (see below), whose sum is σ = 33072480. Its totient is φ = 14882580.

The previous prime is 22323893. The next prime is 22323943. The reversal of 22323897 is 79832322.

It is not a de Polignac number, because 22323897 - 2² = 22323893 is a prime.

It is a super-3 number, since 3×22323897³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (22323893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 413379 + ... + 413432.

It is an arithmetic number, because the mean of its divisors is an integer number (4134060).

Almost surely, 2^22323897 is an apocalyptic number.

22323897 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

22323897 is a deficient number, since it is larger than the sum of its proper divisors (10748583).

22323897 is an equidigital number, since it uses as much as digits as its factorization.

22323897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826820 (or 826814 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 22323897 is about 4724.8171393187. The cubic root of 22323897 is about 281.5723486281.

It can be divided in two parts, 22323 and 897, that added together give a triangular number (23220 = T₂₁₅).

The spelling of 22323897 in words is "twenty-two million, three hundred twenty-three thousand, eight hundred ninety-seven".