6351222 has 16 divisors (see below), whose sum is σ = 12728880. Its totient is φ = 2112672.

The previous prime is 6351221. The next prime is 6351223. The reversal of 6351222 is 2221536.

It is an interprime number because it is at equal distance from previous prime (6351221) and next prime (6351223).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6351221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3508 + ... + 5000.

It is an arithmetic number, because the mean of its divisors is an integer number (795555).

Almost surely, 2^6351222 is an apocalyptic number.

6351222 is an abundant number, since it is smaller than the sum of its proper divisors (6377658).

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

6351222 is a wasteful number, since it uses less digits than its factorization.

6351222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2207.

The product of its digits is 720, while the sum is 21.

The square root of 6351222 is about 2520.1630899606. The cubic root of 6351222 is about 185.1906678011.

Adding to 6351222 its reverse (2221536), we get a palindrome (8572758).

The spelling of 6351222 in words is "six million, three hundred fifty-one thousand, two hundred twenty-two".