97290922 has 4 divisors (see below), whose sum is σ = 145936386. Its totient is φ = 48645460.

The previous prime is 97290883. The next prime is 97290953. The reversal of 97290922 is 22909279.

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., 73290721 + 24000201 = 8561^2 + 4899^2 .

It is a super-2 number, since 2×97290922² = 18931047007220168, which contains 22 as substring.

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 an unprimeable number.

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 as a sum of consecutive naturals, namely, 24322729 + ... + 24322732.

Almost surely, 2^97290922 is an apocalyptic number.

97290922 is a deficient number, since it is larger than the sum of its proper divisors (48645464).

97290922 is a wasteful number, since it uses less digits than its factorization.

97290922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48645463.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 97290922 is about 9863.6160711982. The cubic root of 97290922 is about 459.9289776928.

The spelling of 97290922 in words is "ninety-seven million, two hundred ninety thousand, nine hundred twenty-two".