64222330 has 16 divisors (see below), whose sum is σ = 115728264. Its totient is φ = 25660480.

The previous prime is 64222321. The next prime is 64222369. The reversal of 64222330 is 3322246.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 41383489 + 22838841 = 6433^2 + 4779^2 .

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 7 ways as a sum of consecutive naturals, for example, 7584 + ... + 13636.

Almost surely, 2^64222330 is an apocalyptic number.

64222330 is a deficient number, since it is larger than the sum of its proper divisors (51505934).

64222330 is a wasteful number, since it uses less digits than its factorization.

64222330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7121.

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

The square root of 64222330 is about 8013.8835778916. The cubic root of 64222330 is about 400.4626521761.

Adding to 64222330 its reverse (3322246), we get a palindrome (67544576).

The spelling of 64222330 in words is "sixty-four million, two hundred twenty-two thousand, three hundred thirty".