97318226 has 4 divisors (see below), whose sum is σ = 145977342. Its totient is φ = 48659112.

The previous prime is 97318223. The next prime is 97318253. The reversal of 97318226 is 62281379.

It is a Cunningham number, because it is equal to 9865²+1.

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

It can be written as a sum of positive squares in only one way, i.e., 97318225 + 1 = 9865^2 + 1^2 .

It is a super-2 number, since 2×97318226² = 18941674223574152, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 97318226.

It is not an unprimeable number, because it can be changed into a prime (97318223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24329555 + ... + 24329558.

Almost surely, 2^97318226 is an apocalyptic number.

97318226 is a deficient number, since it is larger than the sum of its proper divisors (48659116).

97318226 is a wasteful number, since it uses less digits than its factorization.

97318226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48659115.

The product of its digits is 36288, while the sum is 38.

The square root of 97318226 is about 9865.0000506842. Note that the first 4 decimals coincide. The cubic root of 97318226 is about 459.9719989257.

The spelling of 97318226 in words is "ninety-seven million, three hundred eighteen thousand, two hundred twenty-six".