7224170066 has 8 divisors (see below), whose sum is σ = 10836617484. Its totient is φ = 3611964240.

The previous prime is 7224170053. The next prime is 7224170081. The reversal of 7224170066 is 6600714227.

It can be written as a sum of positive squares in 2 ways, for example, as 5266550041 + 1957620025 = 72571^2 + 44245^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75656 + ... + 142028.

Almost surely, 2^7224170066 is an apocalyptic number.

7224170066 is a deficient number, since it is larger than the sum of its proper divisors (3612447418).

7224170066 is a wasteful number, since it uses less digits than its factorization.

7224170066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120796.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 7224170066 is about 84995.1178950885. The cubic root of 7224170066 is about 1933.1370912650.

The spelling of 7224170066 in words is "seven billion, two hundred twenty-four million, one hundred seventy thousand, sixty-six".