666682022 has 8 divisors (see below), whose sum is σ = 1000218672. Its totient is φ = 333275800.

The previous prime is 666682007. The next prime is 666682031. The reversal of 666682022 is 220286666.

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

It is a congruent number.

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, 18629 + ... + 40992.

It is an arithmetic number, because the mean of its divisors is an integer number (125027334).

Almost surely, 2^666682022 is an apocalyptic number.

666682022 is a deficient number, since it is larger than the sum of its proper divisors (333536650).

666682022 is a wasteful number, since it uses less digits than its factorization.

666682022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65214.

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 666682022 is about 25820.1863277553. The cubic root of 666682022 is about 873.5871717444.

It can be divided in two parts, 6666 and 82022, that added together give a palindrome (88688).

The spelling of 666682022 in words is "six hundred sixty-six million, six hundred eighty-two thousand, twenty-two".