22326866 has 4 divisors (see below), whose sum is σ = 33490302. Its totient is φ = 11163432.

The previous prime is 22326853. The next prime is 22326869. The reversal of 22326866 is 66862322.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66862322 = 2 ⋅33431161.

It can be written as a sum of positive squares in only one way, i.e., 13476241 + 8850625 = 3671^2 + 2975^2 .

It is a super-3 number, since 3×22326866³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (22326869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5581715 + ... + 5581718.

Almost surely, 2^22326866 is an apocalyptic number.

22326866 is a deficient number, since it is larger than the sum of its proper divisors (11163436).

22326866 is a wasteful number, since it uses less digits than its factorization.

22326866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11163435.

The product of its digits is 41472, while the sum is 35.

The square root of 22326866 is about 4725.1313209264. The cubic root of 22326866 is about 281.5848307864.

The spelling of 22326866 in words is "twenty-two million, three hundred twenty-six thousand, eight hundred sixty-six".