551105622 has 48 divisors (see below), whose sum is σ = 1260061920. Its totient is φ = 173728896.

The previous prime is 551105573. The next prime is 551105623. The reversal of 551105622 is 226501155.

551105622 is a `hidden beast` number, since 551 + 105 + 6 + 2 + 2 = 666.

It is a super-3 number, since 3×551105622³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551105623) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 29368 + ... + 44324.

It is an arithmetic number, because the mean of its divisors is an integer number (26251290).

Almost surely, 2^551105622 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 551105622, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (630030960).

551105622 is an abundant number, since it is smaller than the sum of its proper divisors (708956298).

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

551105622 is a wasteful number, since it uses less digits than its factorization.

551105622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15077 (or 15074 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 551105622 is about 23475.6389050437. The cubic root of 551105622 is about 819.8699089679.

Adding to 551105622 its reverse (226501155), we get a palindrome (777606777).

The spelling of 551105622 in words is "five hundred fifty-one million, one hundred five thousand, six hundred twenty-two".