22223169 has 6 divisors (see below), whose sum is σ = 32100146. Its totient is φ = 14815440.

The previous prime is 22223161. The next prime is 22223197. The reversal of 22223169 is 96132222.

It can be written as a sum of positive squares in only one way, i.e., 18662400 + 3560769 = 4320^2 + 1887^2 .

It is not a de Polignac number, because 22223169 - 2³ = 22223161 is a prime.

It is a super-2 number, since 2×22223169² = 987738480805122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22223161) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1234612 + ... + 1234629.

Almost surely, 2^22223169 is an apocalyptic number.

It is an amenable number.

22223169 is a deficient number, since it is larger than the sum of its proper divisors (9876977).

22223169 is a wasteful number, since it uses less digits than its factorization.

22223169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2469247 (or 2469244 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 22223169 is about 4714.1456277888. The cubic root of 22223169 is about 281.1482144271.

The spelling of 22223169 in words is "twenty-two million, two hundred twenty-three thousand, one hundred sixty-nine".