66351022 has 8 divisors (see below), whose sum is σ = 99867096. Its totient is φ = 33061992.

The previous prime is 66351011. The next prime is 66351029. The reversal of 66351022 is 22015366.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66351029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56028 + ... + 57199.

It is an arithmetic number, because the mean of its divisors is an integer number (12483387).

Almost surely, 2^66351022 is an apocalyptic number.

66351022 is a deficient number, since it is larger than the sum of its proper divisors (33516074).

66351022 is a wasteful number, since it uses less digits than its factorization.

66351022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113522.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 66351022 is about 8145.6136662624. The cubic root of 66351022 is about 404.8391822007.

Adding to 66351022 its reverse (22015366), we get a palindrome (88366388).

The spelling of 66351022 in words is "sixty-six million, three hundred fifty-one thousand, twenty-two".