2220887 has 2 divisors, whose sum is σ = 2220888. Its totient is φ = 2220886.

The previous prime is 2220839. The next prime is 2220893. The reversal of 2220887 is 7880222.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2220887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2220187) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110443 + 1110444.

It is an arithmetic number, because the mean of its divisors is an integer number (1110444).

2^2220887 is an apocalyptic number.

2220887 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220887 is an equidigital number, since it uses as much as digits as its factorization.

2220887 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 2220887 is about 1490.2640705593. The cubic root of 2220887 is about 130.4694467112.

The spelling of 2220887 in words is "two million, two hundred twenty thousand, eight hundred eighty-seven".