66382122 has 16 divisors (see below), whose sum is σ = 132846912. Its totient is φ = 22113600.

The previous prime is 66382111. The next prime is 66382123. The reversal of 66382122 is 22128366.

It is a super-2 number, since 2×66382122² = 8813172242445768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 66382122.

It is not an unprimeable number, because it can be changed into a prime (66382123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13138 + ... + 17474.

It is an arithmetic number, because the mean of its divisors is an integer number (8302932).

Almost surely, 2^66382122 is an apocalyptic number.

66382122 is an abundant number, since it is smaller than the sum of its proper divisors (66464790).

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

66382122 is a wasteful number, since it uses less digits than its factorization.

66382122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6893.

The product of its digits is 6912, while the sum is 30.

The square root of 66382122 is about 8147.5224455045. The cubic root of 66382122 is about 404.9024242908.

The spelling of 66382122 in words is "sixty-six million, three hundred eighty-two thousand, one hundred twenty-two".