22273385165 has 8 divisors (see below), whose sum is σ = 26732643840. Its totient is φ = 17815653712.

The previous prime is 22273385161. The next prime is 22273385191. The reversal of 22273385165 is 56158337222.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 22273385165 - 2² = 22273385161 is a prime.

It is a super-2 number, since 2×22273385165² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22273385161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 349469 + ... + 408258.

It is an arithmetic number, because the mean of its divisors is an integer number (3341580480).

Almost surely, 2^22273385165 is an apocalyptic number.

It is an amenable number.

22273385165 is a deficient number, since it is larger than the sum of its proper divisors (4459258675).

22273385165 is an equidigital number, since it uses as much as digits as its factorization.

22273385165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763611.

The product of its digits is 604800, while the sum is 44.

The spelling of 22273385165 in words is "twenty-two billion, two hundred seventy-three million, three hundred eighty-five thousand, one hundred sixty-five".