51222622215 has 32 divisors (see below), whose sum is σ = 88601310720. Its totient is φ = 25181414784.

The previous prime is 51222622211. The next prime is 51222622219.

51222622215 is nontrivially palindromic in base 10.

51222622215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (51222622211) and next prime (51222622219).

It is not a de Polignac number, because 51222622215 - 2² = 51222622211 is a prime.

It is a super-2 number, since 2×51222622215² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51222622211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2418219 + ... + 2439308.

It is an arithmetic number, because the mean of its divisors is an integer number (2768790960).

Almost surely, 2^51222622215 is an apocalyptic number.

51222622215 is a deficient number, since it is larger than the sum of its proper divisors (37378688505).

51222622215 is a wasteful number, since it uses less digits than its factorization.

51222622215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4857591.

The product of its digits is 9600, while the sum is 30.

The spelling of 51222622215 in words is "fifty-one billion, two hundred twenty-two million, six hundred twenty-two thousand, two hundred fifteen".