2122610887 has 2 divisors, whose sum is σ = 2122610888. Its totient is φ = 2122610886.

The previous prime is 2122610881. The next prime is 2122610899. The reversal of 2122610887 is 7880162212.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2122610887 is a prime.

It is a super-2 number, since 2×2122610887² = 9010953955221853538, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2122610881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061305443 + 1061305444.

It is an arithmetic number, because the mean of its divisors is an integer number (1061305444).

Almost surely, 2^2122610887 is an apocalyptic number.

2122610887 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122610887 is an equidigital number, since it uses as much as digits as its factorization.

2122610887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 37.

The square root of 2122610887 is about 46071.8014299419. The cubic root of 2122610887 is about 1285.1588042771.

The spelling of 2122610887 in words is "two billion, one hundred twenty-two million, six hundred ten thousand, eight hundred eighty-seven".