22346887 has 2 divisors, whose sum is σ = 22346888. Its totient is φ = 22346886.

The previous prime is 22346881. The next prime is 22346903. The reversal of 22346887 is 78864322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22346887 - 2³ = 22346879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22346881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11173443 + 11173444.

It is an arithmetic number, because the mean of its divisors is an integer number (11173444).

Almost surely, 2^22346887 is an apocalyptic number.

22346887 is a deficient number, since it is larger than the sum of its proper divisors (1).

22346887 is an equidigital number, since it uses as much as digits as its factorization.

22346887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129024, while the sum is 40.

The square root of 22346887 is about 4727.2494116558. The cubic root of 22346887 is about 281.6689734453.

The spelling of 22346887 in words is "twenty-two million, three hundred forty-six thousand, eight hundred eighty-seven".