7022531 has 2 divisors, whose sum is σ = 7022532. Its totient is φ = 7022530.

The previous prime is 7022507. The next prime is 7022549. The reversal of 7022531 is 1352207.

7022531 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (1352207) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7022531 - 2⁶ = 7022467 is a prime.

It is a super-2 number, since 2×7022531² = 98631883291922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7022551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3511265 + 3511266.

It is an arithmetic number, because the mean of its divisors is an integer number (3511266).

Almost surely, 2^7022531 is an apocalyptic number.

7022531 is a deficient number, since it is larger than the sum of its proper divisors (1).

7022531 is an equidigital number, since it uses as much as digits as its factorization.

7022531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 7022531 is about 2650.0058490501. The cubic root of 7022531 is about 191.4981377655.

Adding to 7022531 its reverse (1352207), we get a palindrome (8374738).

The spelling of 7022531 in words is "seven million, twenty-two thousand, five hundred thirty-one".