66410722 has 8 divisors (see below), whose sum is σ = 113846976. Its totient is φ = 28461732.

The previous prime is 66410699. The next prime is 66410737. The reversal of 66410722 is 22701466.

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

It is a super-2 number, since 2×66410722² = 8820767993122568, which contains 22 as substring.

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, 2371798 + ... + 2371825.

It is an arithmetic number, because the mean of its divisors is an integer number (14230872).

Almost surely, 2^66410722 is an apocalyptic number.

66410722 is a deficient number, since it is larger than the sum of its proper divisors (47436254).

66410722 is a wasteful number, since it uses less digits than its factorization.

66410722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4743632.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 66410722 is about 8149.2773912783. The cubic root of 66410722 is about 404.9605651793.

The spelling of 66410722 in words is "sixty-six million, four hundred ten thousand, seven hundred twenty-two".