22002887 has 2 divisors, whose sum is σ = 22002888. Its totient is φ = 22002886.

The previous prime is 22002863. The next prime is 22002899. The reversal of 22002887 is 78820022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22002887 - 2⁶ = 22002823 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 (22002187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11001443 + 11001444.

It is an arithmetic number, because the mean of its divisors is an integer number (11001444).

Almost surely, 2^22002887 is an apocalyptic number.

22002887 is a deficient number, since it is larger than the sum of its proper divisors (1).

22002887 is an equidigital number, since it uses as much as digits as its factorization.

22002887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 22002887 is about 4690.7235049617. The cubic root of 22002887 is about 280.2161893288.

The spelling of 22002887 in words is "twenty-two million, two thousand, eight hundred eighty-seven".