7422887 has 2 divisors, whose sum is σ = 7422888. Its totient is φ = 7422886.

The previous prime is 7422871. The next prime is 7422893. The reversal of 7422887 is 7882247.

It is a strong prime.

It is an emirp because it is prime and its reverse (7882247) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7422887 - 2⁴ = 7422871 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7422887.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7422827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3711443 + 3711444.

It is an arithmetic number, because the mean of its divisors is an integer number (3711444).

Almost surely, 2^7422887 is an apocalyptic number.

7422887 is a deficient number, since it is larger than the sum of its proper divisors (1).

7422887 is an equidigital number, since it uses as much as digits as its factorization.

7422887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 50176, while the sum is 38.

The square root of 7422887 is about 2724.4975683601. The cubic root of 7422887 is about 195.0702092132.

The spelling of 7422887 in words is "seven million, four hundred twenty-two thousand, eight hundred eighty-seven".