551131022 has 16 divisors (see below), whose sum is σ = 920989440. Its totient is φ = 245596512.

The previous prime is 551131019. The next prime is 551131033. The reversal of 551131022 is 220131155.

It is a happy number.

551131022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 551130985 and 551131003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 364718 + ... + 366225.

It is an arithmetic number, because the mean of its divisors is an integer number (57561840).

Almost surely, 2^551131022 is an apocalyptic number.

551131022 is a deficient number, since it is larger than the sum of its proper divisors (369858418).

551131022 is a wasteful number, since it uses less digits than its factorization.

551131022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730987.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 551131022 is about 23476.1798851517. The cubic root of 551131022 is about 819.8825044819.

Adding to 551131022 its reverse (220131155), we get a palindrome (771262177).

The spelling of 551131022 in words is "five hundred fifty-one million, one hundred thirty-one thousand, twenty-two".