22054873 has 2 divisors, whose sum is σ = 22054874. Its totient is φ = 22054872.

The previous prime is 22054867. The next prime is 22054913. The reversal of 22054873 is 37845022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17740944 + 4313929 = 4212^2 + 2077^2 .

It is a cyclic number.

It is not a de Polignac number, because 22054873 - 2⁵ = 22054841 is a prime.

It is a super-2 number, since 2×22054873² = 972834846092258, which contains 22 as substring.

It is equal to p_1392556 and since 22054873 and 1392556 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (22054273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11027436 + 11027437.

It is an arithmetic number, because the mean of its divisors is an integer number (11027437).

Almost surely, 2^22054873 is an apocalyptic number.

It is an amenable number.

22054873 is a deficient number, since it is larger than the sum of its proper divisors (1).

22054873 is an equidigital number, since it uses as much as digits as its factorization.

22054873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 22054873 is about 4696.2615983354. The cubic root of 22054873 is about 280.4367037423.

Adding to 22054873 its reverse (37845022), we get a palindrome (59899895).

The spelling of 22054873 in words is "twenty-two million, fifty-four thousand, eight hundred seventy-three".