51222422215 has 8 divisors (see below), whose sum is σ = 61468593120. Its totient is φ = 40976813472.

The previous prime is 51222422191. The next prime is 51222422219.

51222422215 is nontrivially palindromic in base 10.

51222422215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 51222422215 - 2⁹ = 51222421703 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51222422219) 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, 96166 + ... + 334204.

It is an arithmetic number, because the mean of its divisors is an integer number (7683574140).

Almost surely, 2^51222422215 is an apocalyptic number.

51222422215 is a deficient number, since it is larger than the sum of its proper divisors (10246170905).

51222422215 is a wasteful number, since it uses less digits than its factorization.

51222422215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281081.

The product of its digits is 6400, while the sum is 28.

The spelling of 51222422215 in words is "fifty-one billion, two hundred twenty-two million, four hundred twenty-two thousand, two hundred fifteen".