22665152 has 14 divisors (see below), whose sum is σ = 44976288. Its totient is φ = 11332544.

The previous prime is 22665151. The next prime is 22665163. The reversal of 22665152 is 25156622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22665151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177008 + ... + 177135.

It is an arithmetic number, because the mean of its divisors is an integer number (3212592).

Almost surely, 2^22665152 is an apocalyptic number.

It is an amenable number.

22665152 is a deficient number, since it is larger than the sum of its proper divisors (22311136).

22665152 is an equidigital number, since it uses as much as digits as its factorization.

22665152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354155 (or 354145 counting only the distinct ones).

The product of its digits is 7200, while the sum is 29.

The square root of 22665152 is about 4760.7932112202. The cubic root of 22665152 is about 282.9998543287. Note that the first 3 decimals are identical.

The spelling of 22665152 in words is "twenty-two million, six hundred sixty-five thousand, one hundred fifty-two".