551322422 has 80 divisors (see below), whose sum is σ = 1034577360. Its totient is φ = 219893184.

The previous prime is 551322419. The next prime is 551322433. The reversal of 551322422 is 224223155.

It is a junction number, because it is equal to n+sod(n) for n = 551322391 and 551322400.

It is a congruent number.

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 39 ways as a sum of consecutive naturals, for example, 5152493 + ... + 5152599.

It is an arithmetic number, because the mean of its divisors is an integer number (12932217).

Almost surely, 2^551322422 is an apocalyptic number.

551322422 is a deficient number, since it is larger than the sum of its proper divisors (483254938).

551322422 is a wasteful number, since it uses less digits than its factorization.

551322422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203 (or 182 counting only the distinct ones).

The product of its digits is 4800, while the sum is 26.

The square root of 551322422 is about 23480.2560037151. The cubic root of 551322422 is about 819.9774046917.

Adding to 551322422 its reverse (224223155), we get a palindrome (775545577).

The spelling of 551322422 in words is "five hundred fifty-one million, three hundred twenty-two thousand, four hundred twenty-two".