551032222 has 16 divisors (see below), whose sum is σ = 893354112. Its totient is φ = 253401120.

The previous prime is 551032213. The next prime is 551032249. The reversal of 551032222 is 222230155.

It is a junction number, because it is equal to n+sod(n) for n = 551032193 and 551032202.

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 7 ways as a sum of consecutive naturals, for example, 31054 + ... + 45457.

It is an arithmetic number, because the mean of its divisors is an integer number (55834632).

Almost surely, 2^551032222 is an apocalyptic number.

551032222 is a deficient number, since it is larger than the sum of its proper divisors (342321890).

551032222 is a wasteful number, since it uses less digits than its factorization.

551032222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76803.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 551032222 is about 23474.0755302525. The cubic root of 551032222 is about 819.8335087324.

Adding to 551032222 its reverse (222230155), we get a palindrome (773262377).

The spelling of 551032222 in words is "five hundred fifty-one million, thirty-two thousand, two hundred twenty-two".