22624066 has 4 divisors (see below), whose sum is σ = 33936102. Its totient is φ = 11312032.

The previous prime is 22624051. The next prime is 22624073. The reversal of 22624066 is 66042622.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66042622 = 2 ⋅33021311.

It can be written as a sum of positive squares in only one way, i.e., 21893041 + 731025 = 4679^2 + 855^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5656015 + ... + 5656018.

Almost surely, 2^22624066 is an apocalyptic number.

22624066 is a deficient number, since it is larger than the sum of its proper divisors (11312036).

22624066 is a wasteful number, since it uses less digits than its factorization.

22624066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11312035.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 22624066 is about 4756.4762166966. The cubic root of 22624066 is about 282.8287492938.

Adding to 22624066 its reverse (66042622), we get a palindrome (88666688).

It can be divided in two parts, 2262 and 4066, that added together give a triangular number (6328 = T₁₁₂).

The spelling of 22624066 in words is "twenty-two million, six hundred twenty-four thousand, sixty-six".