97622217 has 24 divisors (see below), whose sum is σ = 175805760. Its totient is φ = 50712480.

The previous prime is 97622197. The next prime is 97622219. The reversal of 97622217 is 71222679.

97622217 is a `hidden beast` number, since 9 + 7 + 622 + 21 + 7 = 666.

It is not a de Polignac number, because 97622217 - 2⁶ = 97622153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (97622219) 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 in 23 ways as a sum of consecutive naturals, for example, 69742 + ... + 71127.

It is an arithmetic number, because the mean of its divisors is an integer number (7325240).

Almost surely, 2^97622217 is an apocalyptic number.

It is an amenable number.

97622217 is a deficient number, since it is larger than the sum of its proper divisors (78183543).

97622217 is a wasteful number, since it uses less digits than its factorization.

97622217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140893 (or 140890 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 97622217 is about 9880.3955892464. The cubic root of 97622217 is about 460.4504362265.

The spelling of 97622217 in words is "ninety-seven million, six hundred twenty-two thousand, two hundred seventeen".