22266169 has 4 divisors (see below), whose sum is σ = 22289040. Its totient is φ = 22243300.

The previous prime is 22266163. The next prime is 22266191. The reversal of 22266169 is 96166222.

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, and also an emirpimes, since its reverse is a distinct semiprime: 96166222 = 2 ⋅48083111.

It is a cyclic number.

It is not a de Polignac number, because 22266169 - 2⁵ = 22266137 is a prime.

It is a super-2 number, since 2×22266169² = 991564563873122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22266163) 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, 9907 + ... + 11944.

It is an arithmetic number, because the mean of its divisors is an integer number (5572260).

Almost surely, 2^22266169 is an apocalyptic number.

It is an amenable number.

22266169 is a deficient number, since it is larger than the sum of its proper divisors (22871).

22266169 is a wasteful number, since it uses less digits than its factorization.

22266169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22870.

The product of its digits is 15552, while the sum is 34.

The square root of 22266169 is about 4718.7041653403. The cubic root of 22266169 is about 281.3294304705.

The spelling of 22266169 in words is "twenty-two million, two hundred sixty-six thousand, one hundred sixty-nine".