51222267734 has 8 divisors (see below), whose sum is σ = 83818256328. Its totient is φ = 23282848960.

The previous prime is 51222267689. The next prime is 51222267739. The reversal of 51222267734 is 43776222215.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 51222267691 and 51222267700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51222267739) 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, 1164142427 + ... + 1164142470.

It is an arithmetic number, because the mean of its divisors is an integer number (10477282041).

Almost surely, 2^51222267734 is an apocalyptic number.

51222267734 is a deficient number, since it is larger than the sum of its proper divisors (32595988594).

51222267734 is a wasteful number, since it uses less digits than its factorization.

51222267734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2328284910.

The product of its digits is 282240, while the sum is 41.

Adding to 51222267734 its reverse (43776222215), we get a palindrome (94998489949).

The spelling of 51222267734 in words is "fifty-one billion, two hundred twenty-two million, two hundred sixty-seven thousand, seven hundred thirty-four".