97227643 has 4 divisors (see below), whose sum is σ = 97356168. Its totient is φ = 97099120.

The previous prime is 97227593. The next prime is 97227671. The reversal of 97227643 is 34672279.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97227643 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 97227596 and 97227605.

It is not an unprimeable number, because it can be changed into a prime (97224643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63121 + ... + 64642.

It is an arithmetic number, because the mean of its divisors is an integer number (24339042).

Almost surely, 2^97227643 is an apocalyptic number.

97227643 is a deficient number, since it is larger than the sum of its proper divisors (128525).

97227643 is a wasteful number, since it uses less digits than its factorization.

97227643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128524.

The product of its digits is 127008, while the sum is 40.

The square root of 97227643 is about 9860.4078516053. The cubic root of 97227643 is about 459.8292419132.

The spelling of 97227643 in words is "ninety-seven million, two hundred twenty-seven thousand, six hundred forty-three".