22165629 has 12 divisors (see below), whose sum is σ = 30897216. Its totient is φ = 14133592.

The previous prime is 22165613. The next prime is 22165643. The reversal of 22165629 is 92656122.

It is not a de Polignac number, because 22165629 - 2⁴ = 22165613 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22165629.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22165669) 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 in 11 ways as a sum of consecutive naturals, for example, 5397 + ... + 8570.

It is an arithmetic number, because the mean of its divisors is an integer number (2574768).

Almost surely, 2^22165629 is an apocalyptic number.

It is an amenable number.

22165629 is a deficient number, since it is larger than the sum of its proper divisors (8731587).

22165629 is a wasteful number, since it uses less digits than its factorization.

22165629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14016 (or 13993 counting only the distinct ones).

The product of its digits is 12960, while the sum is 33.

The square root of 22165629 is about 4708.0387636467. The cubic root of 22165629 is about 280.9053560183.

The spelling of 22165629 in words is "twenty-two million, one hundred sixty-five thousand, six hundred twenty-nine".