22942165 has 8 divisors (see below), whose sum is σ = 28202328. Its totient is φ = 17905920.

The previous prime is 22942151. The next prime is 22942181. The reversal of 22942165 is 56124922.

It can be written as a sum of positive squares in 4 ways, for example, as 2502724 + 20439441 = 1582^2 + 4521^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22942165 - 2¹¹ = 22940117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 55752 + ... + 56161.

It is an arithmetic number, because the mean of its divisors is an integer number (3525291).

Almost surely, 2^22942165 is an apocalyptic number.

It is an amenable number.

22942165 is a deficient number, since it is larger than the sum of its proper divisors (5260163).

22942165 is a wasteful number, since it uses less digits than its factorization.

22942165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111959.

The product of its digits is 8640, while the sum is 31.

The square root of 22942165 is about 4789.7980124427. The cubic root of 22942165 is about 284.1481282739.

The spelling of 22942165 in words is "twenty-two million, nine hundred forty-two thousand, one hundred sixty-five".