66427322 has 8 divisors (see below), whose sum is σ = 107305716. Its totient is φ = 30658752.

The previous prime is 66427301. The next prime is 66427337. The reversal of 66427322 is 22372466.

It can be written as a sum of positive squares in 2 ways, for example, as 54184321 + 12243001 = 7361^2 + 3499^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1277423 + ... + 1277474.

Almost surely, 2^66427322 is an apocalyptic number.

66427322 is a deficient number, since it is larger than the sum of its proper divisors (40878394).

66427322 is a wasteful number, since it uses less digits than its factorization.

66427322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2554912.

The product of its digits is 24192, while the sum is 32.

The square root of 66427322 is about 8150.2958228521. The cubic root of 66427322 is about 404.9943036337.

Adding to 66427322 its reverse (22372466), we get a palindrome (88799788).

The spelling of 66427322 in words is "sixty-six million, four hundred twenty-seven thousand, three hundred twenty-two".