22555066 has 8 divisors (see below), whose sum is σ = 33909300. Its totient is φ = 11251968.

The previous prime is 22555063. The next prime is 22555079. The reversal of 22555066 is 66055522.

It can be written as a sum of positive squares in 2 ways, for example, as 22325625 + 229441 = 4725^2 + 479^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (22555063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11661 + ... + 13456.

Almost surely, 2^22555066 is an apocalyptic number.

22555066 is a deficient number, since it is larger than the sum of its proper divisors (11354234).

22555066 is a wasteful number, since it uses less digits than its factorization.

22555066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25568.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 22555066 is about 4749.2174092160. The cubic root of 22555066 is about 282.5409281031.

The spelling of 22555066 in words is "twenty-two million, five hundred fifty-five thousand, sixty-six".