22666752 has 60 divisors (see below), whose sum is σ = 65431080. Its totient is φ = 7554048.

The previous prime is 22666751. The next prime is 22666757. The reversal of 22666752 is 25766622.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22666751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2149 + ... + 7067.

It is an arithmetic number, because the mean of its divisors is an integer number (1090518).

Almost surely, 2^22666752 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22666752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32715540).

22666752 is an abundant number, since it is smaller than the sum of its proper divisors (42764328).

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

22666752 is an equidigital number, since it uses as much as digits as its factorization.

22666752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4943 (or 4924 counting only the distinct ones).

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

The square root of 22666752 is about 4760.9612474793. The cubic root of 22666752 is about 283.0065134371.

The spelling of 22666752 in words is "twenty-two million, six hundred sixty-six thousand, seven hundred fifty-two".