64682222 has 8 divisors (see below), whose sum is σ = 105843672. Its totient is φ = 29401000.

The previous prime is 64682201. The next prime is 64682227. The reversal of 64682222 is 22228646.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64682227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1470029 + ... + 1470072.

It is an arithmetic number, because the mean of its divisors is an integer number (13230459).

Almost surely, 2^64682222 is an apocalyptic number.

64682222 is a deficient number, since it is larger than the sum of its proper divisors (41161450).

64682222 is a wasteful number, since it uses less digits than its factorization.

64682222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2940114.

The product of its digits is 18432, while the sum is 32.

The square root of 64682222 is about 8042.5258470209. The cubic root of 64682222 is about 401.4162753255.

It can be divided in two parts, 64 and 682222, that added together give a palindrome (682286).

The spelling of 64682222 in words is "sixty-four million, six hundred eighty-two thousand, two hundred twenty-two".