22516169 has 8 divisors (see below), whose sum is σ = 24286080. Its totient is φ = 20751696.

The previous prime is 22516147. The next prime is 22516183. The reversal of 22516169 is 96161522.

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 a de Polignac number, because none of the positive numbers 2^k-22516169 is a prime.

It is a super-2 number, since 2×22516169² = 1013955732873122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22516139) 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 7 ways as a sum of consecutive naturals, for example, 12674 + ... + 14340.

It is an arithmetic number, because the mean of its divisors is an integer number (3035760).

Almost surely, 2^22516169 is an apocalyptic number.

It is an amenable number.

22516169 is a deficient number, since it is larger than the sum of its proper divisors (1769911).

22516169 is a wasteful number, since it uses less digits than its factorization.

22516169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2719.

The product of its digits is 6480, while the sum is 32.

The square root of 22516169 is about 4745.1205464140. The cubic root of 22516169 is about 282.3784174121.

The spelling of 22516169 in words is "twenty-two million, five hundred sixteen thousand, one hundred sixty-nine".