51422561022 has 16 divisors (see below), whose sum is σ = 117537282432. Its totient is φ = 14692160280.

The previous prime is 51422560961. The next prime is 51422561041. The reversal of 51422561022 is 22016522415.

It is a super-2 number, since 2×51422561022² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 612173304 + ... + 612173387.

It is an arithmetic number, because the mean of its divisors is an integer number (7346080152).

Almost surely, 2^51422561022 is an apocalyptic number.

51422561022 is an abundant number, since it is smaller than the sum of its proper divisors (66114721410).

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

51422561022 is a wasteful number, since it uses less digits than its factorization.

51422561022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224346703.

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

The spelling of 51422561022 in words is "fifty-one billion, four hundred twenty-two million, five hundred sixty-one thousand, twenty-two".