23166224 has 10 divisors (see below), whose sum is σ = 44884590. Its totient is φ = 11583104.

The previous prime is 23166217. The next prime is 23166229. The reversal of 23166224 is 42266132.

It can be written as a sum of positive squares in only one way, i.e., 22391824 + 774400 = 4732^2 + 880^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23166193 and 23166202.

It is not an unprimeable number, because it can be changed into a prime (23166229) 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 as a sum of consecutive naturals, namely, 723929 + ... + 723960.

It is an arithmetic number, because the mean of its divisors is an integer number (4488459).

Almost surely, 2^23166224 is an apocalyptic number.

It is an amenable number.

23166224 is a deficient number, since it is larger than the sum of its proper divisors (21718366).

23166224 is a wasteful number, since it uses less digits than its factorization.

23166224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1447897 (or 1447891 counting only the distinct ones).

The product of its digits is 3456, while the sum is 26.

The square root of 23166224 is about 4813.1303742990. The cubic root of 23166224 is about 285.0701540646.

The spelling of 23166224 in words is "twenty-three million, one hundred sixty-six thousand, two hundred twenty-four".