64224422 has 8 divisors (see below), whose sum is σ = 96390000. Its totient is φ = 32094424.

The previous prime is 64224403. The next prime is 64224431. The reversal of 64224422 is 22442246.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 64224391 and 64224400.

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 3 ways as a sum of consecutive naturals, for example, 3797 + ... + 11952.

It is an arithmetic number, because the mean of its divisors is an integer number (12048750).

Almost surely, 2^64224422 is an apocalyptic number.

64224422 is a deficient number, since it is larger than the sum of its proper divisors (32165578).

64224422 is a wasteful number, since it uses less digits than its factorization.

64224422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17790.

The product of its digits is 6144, while the sum is 26.

The square root of 64224422 is about 8014.0141003120. The cubic root of 64224422 is about 400.4670003977.

Adding to 64224422 its reverse (22442246), we get a palindrome (86666668).

It can be divided in two parts, 64224 and 422, that added together give a palindrome (64646).

The spelling of 64224422 in words is "sixty-four million, two hundred twenty-four thousand, four hundred twenty-two".