2185567 has 2 divisors, whose sum is σ = 2185568. Its totient is φ = 2185566.

The previous prime is 2185541. The next prime is 2185577. The reversal of 2185567 is 7655812.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2185567 - 2⁷ = 2185439 is a prime.

It is a super-2 number, since 2×2185567² = 9553406222978, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2185517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1092783 + 1092784.

It is an arithmetic number, because the mean of its divisors is an integer number (1092784).

2^2185567 is an apocalyptic number.

2185567 is a deficient number, since it is larger than the sum of its proper divisors (1).

2185567 is an equidigital number, since it uses as much as digits as its factorization.

2185567 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16800, while the sum is 34.

The square root of 2185567 is about 1478.3663280797. The cubic root of 2185567 is about 129.7741047406.

The spelling of 2185567 in words is "two million, one hundred eighty-five thousand, five hundred sixty-seven".