22023887 has 2 divisors, whose sum is σ = 22023888. Its totient is φ = 22023886.

The previous prime is 22023877. The next prime is 22023893. The reversal of 22023887 is 78832022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22023887 - 2¹² = 22019791 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22023817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11011943 + 11011944.

It is an arithmetic number, because the mean of its divisors is an integer number (11011944).

Almost surely, 2^22023887 is an apocalyptic number.

22023887 is a deficient number, since it is larger than the sum of its proper divisors (1).

22023887 is an equidigital number, since it uses as much as digits as its factorization.

22023887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 22023887 is about 4692.9614317614. The cubic root of 22023887 is about 280.3053089802.

The spelling of 22023887 in words is "twenty-two million, twenty-three thousand, eight hundred eighty-seven".