64215230 has 8 divisors (see below), whose sum is σ = 115587432. Its totient is φ = 25686088.

The previous prime is 64215227. The next prime is 64215233. The reversal of 64215230 is 3251246.

It is an interprime number because it is at equal distance from previous prime (64215227) and next prime (64215233).

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 = 64215196 and 64215205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64215233) by changing a digit.

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, 3210752 + ... + 3210771.

It is an arithmetic number, because the mean of its divisors is an integer number (14448429).

Almost surely, 2^64215230 is an apocalyptic number.

64215230 is a deficient number, since it is larger than the sum of its proper divisors (51372202).

64215230 is a wasteful number, since it uses less digits than its factorization.

64215230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6421530.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 64215230 is about 8013.4405844182. The cubic root of 64215230 is about 400.4478941233.

Adding to 64215230 its reverse (3251246), we get a palindrome (67466476).

The spelling of 64215230 in words is "sixty-four million, two hundred fifteen thousand, two hundred thirty".