51224322 has 8 divisors (see below), whose sum is σ = 102448656. Its totient is φ = 17074772.

The previous prime is 51224279. The next prime is 51224359. The reversal of 51224322 is 22342215.

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

51224322 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4268688 + ... + 4268699.

It is an arithmetic number, because the mean of its divisors is an integer number (12806082).

Almost surely, 2^51224322 is an apocalyptic number.

51224322 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

51224322 is a wasteful number, since it uses less digits than its factorization.

51224322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8537392.

The product of its digits is 960, while the sum is 21.

The square root of 51224322 is about 7157.1168776261. The cubic root of 51224322 is about 371.3858956745.

Adding to 51224322 its reverse (22342215), we get a palindrome (73566537).

The spelling of 51224322 in words is "fifty-one million, two hundred twenty-four thousand, three hundred twenty-two".