888002261 has 2 divisors, whose sum is σ = 888002262. Its totient is φ = 888002260.

The previous prime is 888002207. The next prime is 888002281. The reversal of 888002261 is 162200888.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 728460100 + 159542161 = 26990^2 + 12631^2 .

It is a cyclic number.

It is not a de Polignac number, because 888002261 - 2⁶ = 888002197 is a prime.

It is a super-2 number, since 2×888002261² = 1577096031082224242, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (888002281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 444001130 + 444001131.

It is an arithmetic number, because the mean of its divisors is an integer number (444001131).

Almost surely, 2^888002261 is an apocalyptic number.

It is an amenable number.

888002261 is a deficient number, since it is larger than the sum of its proper divisors (1).

888002261 is an equidigital number, since it uses as much as digits as its factorization.

888002261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12288, while the sum is 35.

The square root of 888002261 is about 29799.3667885746. The cubic root of 888002261 is about 961.1799225159.

The spelling of 888002261 in words is "eight hundred eighty-eight million, two thousand, two hundred sixty-one".