65221246 has 8 divisors (see below), whose sum is σ = 97869744. Its totient is φ = 32598000.

The previous prime is 65221213. The next prime is 65221253. The reversal of 65221246 is 64212256.

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

It is a congruent number.

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, 2746 + ... + 11746.

It is an arithmetic number, because the mean of its divisors is an integer number (12233718).

Almost surely, 2^65221246 is an apocalyptic number.

65221246 is a deficient number, since it is larger than the sum of its proper divisors (32648498).

65221246 is a wasteful number, since it uses less digits than its factorization.

65221246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12626.

The product of its digits is 5760, while the sum is 28.

The square root of 65221246 is about 8075.9671866594. The cubic root of 65221246 is about 402.5282487279.

The spelling of 65221246 in words is "sixty-five million, two hundred twenty-one thousand, two hundred forty-six".