97422817 has 2 divisors, whose sum is σ = 97422818. Its totient is φ = 97422816.

The previous prime is 97422811. The next prime is 97422841. The reversal of 97422817 is 71822479.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66520336 + 30902481 = 8156^2 + 5559^2 .

It is an emirp because it is prime and its reverse (71822479) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97422817 - 2¹⁵ = 97390049 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 97422817.

It is not a weakly prime, because it can be changed into another prime (97422811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48711408 + 48711409.

It is an arithmetic number, because the mean of its divisors is an integer number (48711409).

Almost surely, 2^97422817 is an apocalyptic number.

It is an amenable number.

97422817 is a deficient number, since it is larger than the sum of its proper divisors (1).

97422817 is an equidigital number, since it uses as much as digits as its factorization.

97422817 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56448, while the sum is 40.

The square root of 97422817 is about 9870.2997421558. The cubic root of 97422817 is about 460.1367221191.

The spelling of 97422817 in words is "ninety-seven million, four hundred twenty-two thousand, eight hundred seventeen".