22467889 has 2 divisors, whose sum is σ = 22467890. Its totient is φ = 22467888.

The previous prime is 22467881. The next prime is 22467911. The reversal of 22467889 is 98876422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22467600 + 289 = 4740^2 + 17^2 .

It is a cyclic number.

It is not a de Polignac number, because 22467889 - 2³ = 22467881 is a prime.

It is a super-2 number, since 2×22467889² = 1009612072232642, which contains 22 as substring.

It is a plaindrome in base 10.

It is not a weakly prime, because it can be changed into another prime (22467881) 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 as a sum of consecutive naturals, namely, 11233944 + 11233945.

It is an arithmetic number, because the mean of its divisors is an integer number (11233945).

Almost surely, 2^22467889 is an apocalyptic number.

It is an amenable number.

22467889 is a deficient number, since it is larger than the sum of its proper divisors (1).

22467889 is an equidigital number, since it uses as much as digits as its factorization.

22467889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 387072, while the sum is 46.

The square root of 22467889 is about 4740.0304851340. The cubic root of 22467889 is about 282.1764442447.

The spelling of 22467889 in words is "twenty-two million, four hundred sixty-seven thousand, eight hundred eighty-nine".