9722887 has 2 divisors, whose sum is σ = 9722888. Its totient is φ = 9722886.

The previous prime is 9722879. The next prime is 9722893. The reversal of 9722887 is 7882279.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9722887 - 2³ = 9722879 is a prime.

It is a super-2 number, since 2×9722887² = 189069063229538, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9722807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4861443 + 4861444.

It is an arithmetic number, because the mean of its divisors is an integer number (4861444).

Almost surely, 2^9722887 is an apocalyptic number.

9722887 is a deficient number, since it is larger than the sum of its proper divisors (1).

9722887 is an equidigital number, since it uses as much as digits as its factorization.

9722887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 112896, while the sum is 43.

The square root of 9722887 is about 3118.1544220901. The cubic root of 9722887 is about 213.4347252951.

It can be divided in two parts, 9722 and 887, that added together give a square (10609 = 103²).

The spelling of 9722887 in words is "nine million, seven hundred twenty-two thousand, eight hundred eighty-seven".