22254167 has 4 divisors (see below), whose sum is σ = 23966040. Its totient is φ = 20542296.

The previous prime is 22254161. The next prime is 22254233. The reversal of 22254167 is 76145222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22254167 - 2²⁴ = 5476951 is a prime.

It is a super-3 number, since 3×22254167³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22254161) 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 3 ways as a sum of consecutive naturals, for example, 855917 + ... + 855942.

It is an arithmetic number, because the mean of its divisors is an integer number (5991510).

Almost surely, 2^22254167 is an apocalyptic number.

22254167 is a deficient number, since it is larger than the sum of its proper divisors (1711873).

22254167 is a wasteful number, since it uses less digits than its factorization.

22254167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1711872.

The product of its digits is 6720, while the sum is 29.

The square root of 22254167 is about 4717.4322464663. The cubic root of 22254167 is about 281.2788736118.

Adding to 22254167 its reverse (76145222), we get a palindrome (98399389).

The spelling of 22254167 in words is "twenty-two million, two hundred fifty-four thousand, one hundred sixty-seven".