66227950 has 24 divisors (see below), whose sum is σ = 123840288. Its totient is φ = 26350080.

The previous prime is 66227947. The next prime is 66227951. The reversal of 66227950 is 5972266.

It is a super-2 number, since 2×66227950² = 8772282722405000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66227951) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 6219 + ... + 13081.

It is an arithmetic number, because the mean of its divisors is an integer number (5160012).

Almost surely, 2^66227950 is an apocalyptic number.

66227950 is a deficient number, since it is larger than the sum of its proper divisors (57612338).

66227950 is a wasteful number, since it uses less digits than its factorization.

66227950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7068 (or 7063 counting only the distinct ones).

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

The square root of 66227950 is about 8138.0556645921. The cubic root of 66227950 is about 404.5887203193.

The spelling of 66227950 in words is "sixty-six million, two hundred twenty-seven thousand, nine hundred fifty".