65222982 has 80 divisors (see below), whose sum is σ = 168890832. Its totient is φ = 18593280.

The previous prime is 65222947. The next prime is 65223017. The reversal of 65222982 is 28922256.

It is an interprime number because it is at equal distance from previous prime (65222947) and next prime (65223017).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 29218 + ... + 31370.

Almost surely, 2^65222982 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65222982, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84445416).

65222982 is an abundant number, since it is smaller than the sum of its proper divisors (103667850).

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

65222982 is a wasteful number, since it uses less digits than its factorization.

65222982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2195 (or 2186 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 65222982 is about 8076.0746653309. The cubic root of 65222982 is about 402.5318200735.

The spelling of 65222982 in words is "sixty-five million, two hundred twenty-two thousand, nine hundred eighty-two".