22601166 has 16 divisors (see below), whose sum is σ = 51659904. Its totient is φ = 6457464.

The previous prime is 22601147. The next prime is 22601197. The reversal of 22601166 is 66110622.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269020 + ... + 269103.

It is an arithmetic number, because the mean of its divisors is an integer number (3228744).

Almost surely, 2^22601166 is an apocalyptic number.

22601166 is an abundant number, since it is smaller than the sum of its proper divisors (29058738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22601166 is a wasteful number, since it uses less digits than its factorization.

22601166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538135.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 22601166 is about 4754.0683629918. The cubic root of 22601166 is about 282.7332909907.

Adding to 22601166 its reverse (66110622), we get a palindrome (88711788).

The spelling of 22601166 in words is "twenty-two million, six hundred one thousand, one hundred sixty-six".