974082221 has 12 divisors (see below), whose sum is σ = 1151695260. Its totient is φ = 821237760.

The previous prime is 974082211. The next prime is 974082233. The reversal of 974082221 is 122280479.

974082221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 13764100 + 960318121 = 3710^2 + 30989^2 .

It is not a de Polignac number, because 974082221 - 2¹⁸ = 973820077 is a prime.

It is a super-3 number, since 3×974082221³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (974082211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 159956 + ... + 165933.

It is an arithmetic number, because the mean of its divisors is an integer number (95974605).

Almost surely, 2^974082221 is an apocalyptic number.

It is an amenable number.

974082221 is a deficient number, since it is larger than the sum of its proper divisors (177613039).

974082221 is a wasteful number, since it uses less digits than its factorization.

974082221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325964 (or 325957 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 974082221 is about 31210.2903062435. The cubic root of 974082221 is about 991.2850099188.

The spelling of 974082221 in words is "nine hundred seventy-four million, eighty-two thousand, two hundred twenty-one".