7322981 has 2 divisors, whose sum is σ = 7322982. Its totient is φ = 7322980.

The previous prime is 7322963. The next prime is 7323013. The reversal of 7322981 is 1892237.

It is an a-pointer prime, because the next prime (7323013) can be obtained adding 7322981 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6974881 + 348100 = 2641^2 + 590^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7322981 is a prime.

It is a super-2 number, since 2×7322981² = 107252101452722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7322911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3661490 + 3661491.

It is an arithmetic number, because the mean of its divisors is an integer number (3661491).

Almost surely, 2^7322981 is an apocalyptic number.

It is an amenable number.

7322981 is a deficient number, since it is larger than the sum of its proper divisors (1).

7322981 is an equidigital number, since it uses as much as digits as its factorization.

7322981 is an evil number, because the sum of its binary digits is even.

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

The square root of 7322981 is about 2706.1007002697. The cubic root of 7322981 is about 194.1910913378.

The spelling of 7322981 in words is "seven million, three hundred twenty-two thousand, nine hundred eighty-one".