7622231 has 2 divisors, whose sum is σ = 7622232. Its totient is φ = 7622230.

The previous prime is 7622213. The next prime is 7622257. The reversal of 7622231 is 1322267.

7622231 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (7622213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7622231 is a prime.

It is a super-2 number, since 2×7622231² = 116196810834722, which contains 22 as substring.

It is a Chen prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 7622197 and 7622206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7622201) 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, 3811115 + 3811116.

It is an arithmetic number, because the mean of its divisors is an integer number (3811116).

Almost surely, 2^7622231 is an apocalyptic number.

7622231 is a deficient number, since it is larger than the sum of its proper divisors (1).

7622231 is an equidigital number, since it uses as much as digits as its factorization.

7622231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1008, while the sum is 23.

The square root of 7622231 is about 2760.8388218076. The cubic root of 7622231 is about 196.8010307826.

Adding to 7622231 its reverse (1322267), we get a palindrome (8944498).

The spelling of 7622231 in words is "seven million, six hundred twenty-two thousand, two hundred thirty-one".