22446887 has 2 divisors, whose sum is σ = 22446888. Its totient is φ = 22446886.

The previous prime is 22446881. The next prime is 22446889. The reversal of 22446887 is 78864422.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22446887 - 2¹⁴ = 22430503 is a prime.

Together with 22446889, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22446881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11223443 + 11223444.

It is an arithmetic number, because the mean of its divisors is an integer number (11223444).

Almost surely, 2^22446887 is an apocalyptic number.

22446887 is a deficient number, since it is larger than the sum of its proper divisors (1).

22446887 is an equidigital number, since it uses as much as digits as its factorization.

22446887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 172032, while the sum is 41.

The square root of 22446887 is about 4737.8145805846. The cubic root of 22446887 is about 282.0884947689.

The spelling of 22446887 in words is "twenty-two million, four hundred forty-six thousand, eight hundred eighty-seven".