51704127222 has 32 divisors (see below), whose sum is σ = 112829673600. Its totient is φ = 15665046720.

The previous prime is 51704127221. The next prime is 51704127229. The reversal of 51704127222 is 22272140715.

It is a super-2 number, since 2×51704127222² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51704127221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 306154 + ... + 444002.

It is an arithmetic number, because the mean of its divisors is an integer number (3525927300).

Almost surely, 2^51704127222 is an apocalyptic number.

51704127222 is an abundant number, since it is smaller than the sum of its proper divisors (61125546378).

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

51704127222 is a wasteful number, since it uses less digits than its factorization.

51704127222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143548.

The product of its (nonzero) digits is 15680, while the sum is 33.

Adding to 51704127222 its reverse (22272140715), we get a palindrome (73976267937).

The spelling of 51704127222 in words is "fifty-one billion, seven hundred four million, one hundred twenty-seven thousand, two hundred twenty-two".