22660672 has 14 divisors (see below), whose sum is σ = 44967398. Its totient is φ = 11330304.

The previous prime is 22660669. The next prime is 22660679. The reversal of 22660672 is 27606622.

It can be written as a sum of positive squares in only one way, i.e., 13075456 + 9585216 = 3616^2 + 3096^2 .

It is not an unprimeable number, because it can be changed into a prime (22660679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176973 + ... + 177100.

It is an arithmetic number, because the mean of its divisors is an integer number (3211957).

Almost surely, 2^22660672 is an apocalyptic number.

It is an amenable number.

22660672 is a deficient number, since it is larger than the sum of its proper divisors (22306726).

22660672 is an equidigital number, since it uses as much as digits as its factorization.

22660672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354085 (or 354075 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 22660672 is about 4760.3226781385. The cubic root of 22660672 is about 282.9812071577.

It can be divided in two parts, 22660 and 672, that added together give a palindrome (23332).

The spelling of 22660672 in words is "twenty-two million, six hundred sixty thousand, six hundred seventy-two".