22499167 has 2 divisors, whose sum is σ = 22499168. Its totient is φ = 22499166.

The previous prime is 22499159. The next prime is 22499207. The reversal of 22499167 is 76199422.

It is an a-pointer prime, because the next prime (22499207) can be obtained adding 22499167 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22499167 - 2³ = 22499159 is a prime.

It is a super-4 number, since 4×22499167⁴ (a number of 31 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22499107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11249583 + 11249584.

It is an arithmetic number, because the mean of its divisors is an integer number (11249584).

Almost surely, 2^22499167 is an apocalyptic number.

22499167 is a deficient number, since it is larger than the sum of its proper divisors (1).

22499167 is an equidigital number, since it uses as much as digits as its factorization.

22499167 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 40.

The square root of 22499167 is about 4743.3286835302. The cubic root of 22499167 is about 282.3073246968.

The spelling of 22499167 in words is "twenty-two million, four hundred ninety-nine thousand, one hundred sixty-seven".