551115022 has 8 divisors (see below), whose sum is σ = 827940456. Its totient is φ = 275134872.

The previous prime is 551115017. The next prime is 551115023. The reversal of 551115022 is 220511155.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 551114984 and 551115002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551115023) 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 3 ways as a sum of consecutive naturals, for example, 209688 + ... + 212299.

It is an arithmetic number, because the mean of its divisors is an integer number (103492557).

Almost surely, 2^551115022 is an apocalyptic number.

551115022 is a deficient number, since it is larger than the sum of its proper divisors (276825434).

551115022 is a wasteful number, since it uses less digits than its factorization.

551115022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422642.

The product of its (nonzero) digits is 500, while the sum is 22.

The square root of 551115022 is about 23475.8391117336. The cubic root of 551115022 is about 819.8745703449.

Adding to 551115022 its reverse (220511155), we get a palindrome (771626177).

The spelling of 551115022 in words is "five hundred fifty-one million, one hundred fifteen thousand, twenty-two".