64330222 has 24 divisors (see below), whose sum is σ = 106671240. Its totient is φ = 28855680.

The previous prime is 64330187. The next prime is 64330243. The reversal of 64330222 is 22203346.

It is a happy number.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 64330193 and 64330202.

It is a congruent number.

It is an unprimeable number.

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, 280804 + ... + 281032.

It is an arithmetic number, because the mean of its divisors is an integer number (4444635).

Almost surely, 2^64330222 is an apocalyptic number.

64330222 is a deficient number, since it is larger than the sum of its proper divisors (42341018).

64330222 is a wasteful number, since it uses less digits than its factorization.

64330222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468 (or 355 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 64330222 is about 8020.6123207645. The cubic root of 64330222 is about 400.6867826491.

Adding to 64330222 its reverse (22203346), we get a palindrome (86533568).

It can be divided in two parts, 643302 and 22, that multiplied together give a square (14152644 = 3762²).

The spelling of 64330222 in words is "sixty-four million, three hundred thirty thousand, two hundred twenty-two".