97222447 has 8 divisors (see below), whose sum is σ = 112150656. Its totient is φ = 82554072.

The previous prime is 97222423. The next prime is 97222451. The reversal of 97222447 is 74422279.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 97222447 - 2¹⁵ = 97189679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97222547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64153 + ... + 65650.

It is an arithmetic number, because the mean of its divisors is an integer number (14018832).

Almost surely, 2^97222447 is an apocalyptic number.

97222447 is a deficient number, since it is larger than the sum of its proper divisors (14928209).

97222447 is a wasteful number, since it uses less digits than its factorization.

97222447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129917.

The product of its digits is 56448, while the sum is 37.

The square root of 97222447 is about 9860.1443701398. The cubic root of 97222447 is about 459.8210504317.

The spelling of 97222447 in words is "ninety-seven million, two hundred twenty-two thousand, four hundred forty-seven".