22059887 has 2 divisors, whose sum is σ = 22059888. Its totient is φ = 22059886.

The previous prime is 22059871. The next prime is 22059901. The reversal of 22059887 is 78895022.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22059887 - 2⁴ = 22059871 is a prime.

It is a super-2 number, since 2×22059887² = 973277228905538, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22059187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11029943 + 11029944.

It is an arithmetic number, because the mean of its divisors is an integer number (11029944).

Almost surely, 2^22059887 is an apocalyptic number.

22059887 is a deficient number, since it is larger than the sum of its proper divisors (1).

22059887 is an equidigital number, since it uses as much as digits as its factorization.

22059887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 22059887 is about 4696.7953968637. The cubic root of 22059887 is about 280.4579538169.

The spelling of 22059887 in words is "twenty-two million, fifty-nine thousand, eight hundred eighty-seven".