65444218 has 8 divisors (see below), whose sum is σ = 112190112. Its totient is φ = 28047516.

The previous prime is 65444201. The next prime is 65444233. The reversal of 65444218 is 81244456.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2337280 + ... + 2337307.

It is an arithmetic number, because the mean of its divisors is an integer number (14023764).

Almost surely, 2^65444218 is an apocalyptic number.

65444218 is a deficient number, since it is larger than the sum of its proper divisors (46745894).

65444218 is a wasteful number, since it uses less digits than its factorization.

65444218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4674596.

The product of its digits is 30720, while the sum is 34.

The square root of 65444218 is about 8089.7600706078. The cubic root of 65444218 is about 402.9864350242.

The spelling of 65444218 in words is "sixty-five million, four hundred forty-four thousand, two hundred eighteen".