65220246 has 96 divisors (see below), whose sum is σ = 180048960. Its totient is φ = 16595712.

The previous prime is 65220241. The next prime is 65220251. The reversal of 65220246 is 64202256.

65220246 is a `hidden beast` number, since 652 + 2 + 0 + 2 + 4 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (65220241) and next prime (65220251).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65220241) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 46816 + ... + 48188.

It is an arithmetic number, because the mean of its divisors is an integer number (1875510).

Almost surely, 2^65220246 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65220246, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90024480).

65220246 is an abundant number, since it is smaller than the sum of its proper divisors (114828714).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65220246 is a wasteful number, since it uses less digits than its factorization.

65220246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1430 (or 1427 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 65220246 is about 8075.9052743330. The cubic root of 65220246 is about 402.5261914723.

The spelling of 65220246 in words is "sixty-five million, two hundred twenty thousand, two hundred forty-six".