65742222 has 96 divisors (see below), whose sum is σ = 167311872. Its totient is φ = 17067456.

The previous prime is 65742221. The next prime is 65742233. The reversal of 65742222 is 22224756.

It is a self number, because there is not a number n which added to its sum of digits gives 65742222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65742221) 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, 393583 + ... + 393749.

It is an arithmetic number, because the mean of its divisors is an integer number (1742832).

Almost surely, 2^65742222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65742222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83655936).

65742222 is an abundant number, since it is smaller than the sum of its proper divisors (101569650).

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

65742222 is a wasteful number, since it uses less digits than its factorization.

65742222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302 (or 295 counting only the distinct ones).

The product of its digits is 13440, while the sum is 30.

The square root of 65742222 is about 8108.1577439021. The cubic root of 65742222 is about 403.5971828829.

Adding to 65742222 its reverse (22224756), we get a palindrome (87966978).

The spelling of 65742222 in words is "sixty-five million, seven hundred forty-two thousand, two hundred twenty-two".