22672566 has 48 divisors (see below), whose sum is σ = 56719104. Its totient is φ = 6411312.

The previous prime is 22672561. The next prime is 22672591. The reversal of 22672566 is 66527622.

22672566 is a `hidden beast` number, since 2 + 26 + 72 + 566 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 22672566.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22672561) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12105 + ... + 13851.

It is an arithmetic number, because the mean of its divisors is an integer number (1181648).

Almost surely, 2^22672566 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22672566, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28359552).

22672566 is an abundant number, since it is smaller than the sum of its proper divisors (34046538).

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

22672566 is a wasteful number, since it uses less digits than its factorization.

22672566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1865 (or 1862 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 22672566 is about 4761.5717993117. The cubic root of 22672566 is about 283.0307083343.

The spelling of 22672566 in words is "twenty-two million, six hundred seventy-two thousand, five hundred sixty-six".