22823217 has 12 divisors (see below), whose sum is σ = 33022080. Its totient is φ = 15190008.

The previous prime is 22823209. The next prime is 22823219. The reversal of 22823217 is 71232822.

It is a happy number.

It is not a de Polignac number, because 22823217 - 2³ = 22823209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22823219) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4708 + ... + 8234.

It is an arithmetic number, because the mean of its divisors is an integer number (2751840).

Almost surely, 2^22823217 is an apocalyptic number.

It is an amenable number.

22823217 is a deficient number, since it is larger than the sum of its proper divisors (10198863).

22823217 is a wasteful number, since it uses less digits than its factorization.

22823217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4252 (or 4249 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 22823217 is about 4777.3650687382. The cubic root of 22823217 is about 283.6562038692.

The spelling of 22823217 in words is "twenty-two million, eight hundred twenty-three thousand, two hundred seventeen".