22546873 has 2 divisors, whose sum is σ = 22546874. Its totient is φ = 22546872.

The previous prime is 22546859. The next prime is 22546897. The reversal of 22546873 is 37864522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18558864 + 3988009 = 4308^2 + 1997^2 .

It is a cyclic number.

It is not a de Polignac number, because 22546873 - 2⁵ = 22546841 is a prime.

It is a super-2 number, since 2×22546873² = 1016722964156258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22547873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11273436 + 11273437.

It is an arithmetic number, because the mean of its divisors is an integer number (11273437).

Almost surely, 2^22546873 is an apocalyptic number.

It is an amenable number.

22546873 is a deficient number, since it is larger than the sum of its proper divisors (1).

22546873 is an equidigital number, since it uses as much as digits as its factorization.

22546873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 37.

The square root of 22546873 is about 4748.3547677064. The cubic root of 22546873 is about 282.5067134959.

The spelling of 22546873 in words is "twenty-two million, five hundred forty-six thousand, eight hundred seventy-three".