51222322 has 8 divisors (see below), whose sum is σ = 77081472. Its totient is φ = 25528500.

The previous prime is 51222317. The next prime is 51222361. The reversal of 51222322 is 22322215.

51222322 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 self number, because there is not a number n which added to its sum of digits gives 51222322.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40554 + ... + 41797.

It is an arithmetic number, because the mean of its divisors is an integer number (9635184).

Almost surely, 2^51222322 is an apocalyptic number.

51222322 is a deficient number, since it is larger than the sum of its proper divisors (25859150).

51222322 is a wasteful number, since it uses less digits than its factorization.

51222322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82664.

The product of its digits is 480, while the sum is 19.

The square root of 51222322 is about 7156.9771551962. The cubic root of 51222322 is about 371.3810621539.

Adding to 51222322 its reverse (22322215), we get a palindrome (73544537).

The spelling of 51222322 in words is "fifty-one million, two hundred twenty-two thousand, three hundred twenty-two".