22626566 has 4 divisors (see below), whose sum is σ = 33939852. Its totient is φ = 11313282.

The previous prime is 22626563. The next prime is 22626581. The reversal of 22626566 is 66562622.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×22626566² = 1023922977904712, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22626563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5656640 + ... + 5656643.

It is an arithmetic number, because the mean of its divisors is an integer number (8484963).

Almost surely, 2^22626566 is an apocalyptic number.

22626566 is a deficient number, since it is larger than the sum of its proper divisors (11313286).

22626566 is a wasteful number, since it uses less digits than its factorization.

22626566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11313285.

The product of its digits is 51840, while the sum is 35.

The square root of 22626566 is about 4756.7390090271. The cubic root of 22626566 is about 282.8391666053.

The spelling of 22626566 in words is "twenty-two million, six hundred twenty-six thousand, five hundred sixty-six".