97722701 has 2 divisors, whose sum is σ = 97722702. Its totient is φ = 97722700.

The previous prime is 97722697. The next prime is 97722707. The reversal of 97722701 is 10722779.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94575625 + 3147076 = 9725^2 + 1774^2 .

It is a cyclic number.

It is not a de Polignac number, because 97722701 - 2² = 97722697 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97722707) 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, 48861350 + 48861351.

It is an arithmetic number, because the mean of its divisors is an integer number (48861351).

Almost surely, 2^97722701 is an apocalyptic number.

It is an amenable number.

97722701 is a deficient number, since it is larger than the sum of its proper divisors (1).

97722701 is an equidigital number, since it uses as much as digits as its factorization.

97722701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12348, while the sum is 35.

The square root of 97722701 is about 9885.4793004689. The cubic root of 97722701 is about 460.6083648803.

The spelling of 97722701 in words is "ninety-seven million, seven hundred twenty-two thousand, seven hundred one".