7222931 has 2 divisors, whose sum is σ = 7222932. Its totient is φ = 7222930.

The previous prime is 7222903. The next prime is 7222937. The reversal of 7222931 is 1392227.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7222931 - 2¹⁴ = 7206547 is a prime.

It is a super-2 number, since 2×7222931² = 104341464461522, which contains 22 as substring.

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 7222931.

It is not a weakly prime, because it can be changed into another prime (7222937) 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, 3611465 + 3611466.

It is an arithmetic number, because the mean of its divisors is an integer number (3611466).

Almost surely, 2^7222931 is an apocalyptic number.

7222931 is a deficient number, since it is larger than the sum of its proper divisors (1).

7222931 is an equidigital number, since it uses as much as digits as its factorization.

7222931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512, while the sum is 26.

The square root of 7222931 is about 2687.5511157930. The cubic root of 7222931 is about 193.3026563164.

The spelling of 7222931 in words is "seven million, two hundred twenty-two thousand, nine hundred thirty-one".