973222561 has 8 divisors (see below), whose sum is σ = 995258880. Its totient is φ = 951241728.

The previous prime is 973222553. The next prime is 973222577. The reversal of 973222561 is 165222379.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 973222561 - 2³ = 973222553 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 973222561.

It is not an unprimeable number, because it can be changed into a prime (973222531) 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 7 ways as a sum of consecutive naturals, for example, 22680 + ... + 49606.

It is an arithmetic number, because the mean of its divisors is an integer number (124407360).

Almost surely, 2^973222561 is an apocalyptic number.

It is an amenable number.

973222561 is a deficient number, since it is larger than the sum of its proper divisors (22036319).

973222561 is a wasteful number, since it uses less digits than its factorization.

973222561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27743.

The product of its digits is 45360, while the sum is 37.

The square root of 973222561 is about 31196.5152060290. The cubic root of 973222561 is about 990.9933100790.

The spelling of 973222561 in words is "nine hundred seventy-three million, two hundred twenty-two thousand, five hundred sixty-one".