22366826 has 4 divisors (see below), whose sum is σ = 33550242. Its totient is φ = 11183412.

The previous prime is 22366769. The next prime is 22366829. The reversal of 22366826 is 62866322.

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: 62866322 = 2 ⋅31433161.

It can be written as a sum of positive squares in only one way, i.e., 22080601 + 286225 = 4699^2 + 535^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22366829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5591705 + ... + 5591708.

Almost surely, 2^22366826 is an apocalyptic number.

22366826 is a deficient number, since it is larger than the sum of its proper divisors (11183416).

22366826 is a wasteful number, since it uses less digits than its factorization.

22366826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11183415.

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

The square root of 22366826 is about 4729.3578845336. The cubic root of 22366826 is about 281.7527215477.

The spelling of 22366826 in words is "twenty-two million, three hundred sixty-six thousand, eight hundred twenty-six".