66224060 has 48 divisors (see below), whose sum is σ = 164075520. Its totient is φ = 21971520.

The previous prime is 66224057. The next prime is 66224071. The reversal of 66224060 is 6042266.

It is a super-2 number, since 2×66224060² = 8771252245767200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3290 + ... + 11969.

It is an arithmetic number, because the mean of its divisors is an integer number (3418240).

Almost surely, 2^66224060 is an apocalyptic number.

It is an amenable number.

66224060 is an abundant number, since it is smaller than the sum of its proper divisors (97851460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66224060 is a wasteful number, since it uses less digits than its factorization.

66224060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15306 (or 15304 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 66224060 is about 8137.8166605054. The cubic root of 66224060 is about 404.5807987850.

The spelling of 66224060 in words is "sixty-six million, two hundred twenty-four thousand, sixty".