7221983 has 2 divisors, whose sum is σ = 7221984. Its totient is φ = 7221982.

The previous prime is 7221967. The next prime is 7222001. The reversal of 7221983 is 3891227.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7221983 - 2⁴ = 7221967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7221953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3610991 + 3610992.

It is an arithmetic number, because the mean of its divisors is an integer number (3610992).

Almost surely, 2^7221983 is an apocalyptic number.

7221983 is a deficient number, since it is larger than the sum of its proper divisors (1).

7221983 is an equidigital number, since it uses as much as digits as its factorization.

7221983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 32.

The square root of 7221983 is about 2687.3747412670. The cubic root of 7221983 is about 193.2941990416.

The spelling of 7221983 in words is "seven million, two hundred twenty-one thousand, nine hundred eighty-three".