7022987 has 2 divisors, whose sum is σ = 7022988. Its totient is φ = 7022986.

The previous prime is 7022971. The next prime is 7022993. The reversal of 7022987 is 7892207.

It is a strong prime.

It is an emirp because it is prime and its reverse (7892207) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7022987 - 2⁴ = 7022971 is a prime.

It is not a weakly prime, because it can be changed into another prime (7022087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3511493 + 3511494.

It is an arithmetic number, because the mean of its divisors is an integer number (3511494).

Almost surely, 2^7022987 is an apocalyptic number.

7022987 is a deficient number, since it is larger than the sum of its proper divisors (1).

7022987 is an equidigital number, since it uses as much as digits as its factorization.

7022987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 7022987 is about 2650.0918851995. The cubic root of 7022987 is about 191.5022825798.

The spelling of 7022987 in words is "seven million, twenty-two thousand, nine hundred eighty-seven".