165422224 has 40 divisors (see below), whose sum is σ = 350602560. Its totient is φ = 74985600.

The previous prime is 165422203. The next prime is 165422251. The reversal of 165422224 is 422224561.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 165422192 and 165422201.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 76194 + ... + 78334.

It is an arithmetic number, because the mean of its divisors is an integer number (8765064).

Almost surely, 2^165422224 is an apocalyptic number.

It is an amenable number.

165422224 is an abundant number, since it is smaller than the sum of its proper divisors (185180336).

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

165422224 is a wasteful number, since it uses less digits than its factorization.

165422224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2599 (or 2593 counting only the distinct ones).

The product of its digits is 7680, while the sum is 28.

The square root of 165422224 is about 12861.6571249587. The cubic root of 165422224 is about 548.9480985614.

Adding to 165422224 its reverse (422224561), we get a palindrome (587646785).

The spelling of 165422224 in words is "one hundred sixty-five million, four hundred twenty-two thousand, two hundred twenty-four".