973374221 has 4 divisors (see below), whose sum is σ = 984311100. Its totient is φ = 962437344.

The previous prime is 973374217. The next prime is 973374257. The reversal of 973374221 is 122473379.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 122473379 = 7 ⋅17496197.

It can be written as a sum of positive squares in 2 ways, for example, as 335256100 + 638118121 = 18310^2 + 25261^2 .

It is a cyclic number.

It is not a de Polignac number, because 973374221 - 2² = 973374217 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 (973374121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5468306 + ... + 5468483.

It is an arithmetic number, because the mean of its divisors is an integer number (246077775).

Almost surely, 2^973374221 is an apocalyptic number.

It is an amenable number.

973374221 is a deficient number, since it is larger than the sum of its proper divisors (10936879).

973374221 is a wasteful number, since it uses less digits than its factorization.

973374221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10936878.

The product of its digits is 63504, while the sum is 38.

The square root of 973374221 is about 31198.9458315501. The cubic root of 973374221 is about 991.0447838272.

The spelling of 973374221 in words is "nine hundred seventy-three million, three hundred seventy-four thousand, two hundred twenty-one".