22357233 has 12 divisors (see below), whose sum is σ = 32347380. Its totient is φ = 14880096.

The previous prime is 22357217. The next prime is 22357241. The reversal of 22357233 is 33275322.

It can be written as a sum of positive squares in 2 ways, for example, as 21790224 + 567009 = 4668^2 + 753^2 .

It is not a de Polignac number, because 22357233 - 2⁴ = 22357217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22357197 and 22357206.

It is not an unprimeable number, because it can be changed into a prime (22357253) 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, 4903 + ... + 8291.

It is an arithmetic number, because the mean of its divisors is an integer number (2695615).

Almost surely, 2^22357233 is an apocalyptic number.

It is an amenable number.

22357233 is a deficient number, since it is larger than the sum of its proper divisors (9990147).

22357233 is a wasteful number, since it uses less digits than its factorization.

22357233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4128 (or 4125 counting only the distinct ones).

The product of its digits is 7560, while the sum is 27.

The square root of 22357233 is about 4728.3435788868. The cubic root of 22357233 is about 281.7124350930.

The spelling of 22357233 in words is "twenty-two million, three hundred fifty-seven thousand, two hundred thirty-three".