22169873 has 4 divisors (see below), whose sum is σ = 24185328. Its totient is φ = 20154420.

The previous prime is 22169869. The next prime is 22169893. The reversal of 22169873 is 37896122.

22169873 is nontrivially palindromic in base 8.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 22169873 - 2² = 22169869 is a prime.

It is a super-2 number, since 2×22169873² = 983006537672258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22169843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1007711 + ... + 1007732.

It is an arithmetic number, because the mean of its divisors is an integer number (6046332).

Almost surely, 2^22169873 is an apocalyptic number.

It is an amenable number.

22169873 is a deficient number, since it is larger than the sum of its proper divisors (2015455).

22169873 is a wasteful number, since it uses less digits than its factorization.

22169873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2015454.

The product of its digits is 36288, while the sum is 38.

The square root of 22169873 is about 4708.4894605383. The cubic root of 22169873 is about 280.9232829666.

The spelling of 22169873 in words is "twenty-two million, one hundred sixty-nine thousand, eight hundred seventy-three".