51222434 has 8 divisors (see below), whose sum is σ = 77106000. Its totient is φ = 25520436.

The previous prime is 51222427. The next prime is 51222463. The reversal of 51222434 is 43422215.

It is a happy number.

51222434 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 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, 44684 + ... + 45815.

It is an arithmetic number, because the mean of its divisors is an integer number (9638250).

Almost surely, 2^51222434 is an apocalyptic number.

51222434 is a deficient number, since it is larger than the sum of its proper divisors (25883566).

51222434 is a wasteful number, since it uses less digits than its factorization.

51222434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90784.

The product of its digits is 1920, while the sum is 23.

The square root of 51222434 is about 7156.9849797244. The cubic root of 51222434 is about 371.3813328343.

Adding to 51222434 its reverse (43422215), we get a palindrome (94644649).

The spelling of 51222434 in words is "fifty-one million, two hundred twenty-two thousand, four hundred thirty-four".