64229218 has 16 divisors (see below), whose sum is σ = 99118656. Its totient is φ = 31202640.

The previous prime is 64229203. The next prime is 64229219. The reversal of 64229218 is 81292246.

64229218 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (64229219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6955 + ... + 13297.

It is an arithmetic number, because the mean of its divisors is an integer number (6194916).

Almost surely, 2^64229218 is an apocalyptic number.

64229218 is a deficient number, since it is larger than the sum of its proper divisors (34889438).

64229218 is a wasteful number, since it uses less digits than its factorization.

64229218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6489.

The product of its digits is 13824, while the sum is 34.

The square root of 64229218 is about 8014.3133205534. The cubic root of 64229218 is about 400.4769685265.

It can be divided in two parts, 6 and 4229218, that added together give a palindrome (4229224).

The spelling of 64229218 in words is "sixty-four million, two hundred twenty-nine thousand, two hundred eighteen".