551241222 has 32 divisors (see below), whose sum is σ = 1303430400. Its totient is φ = 152066208.

The previous prime is 551241217. The next prime is 551241247. The reversal of 551241222 is 222142155.

It is a junction number, because it is equal to n+sod(n) for n = 551241192 and 551241201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 225072 + ... + 227507.

It is an arithmetic number, because the mean of its divisors is an integer number (40732200).

Almost surely, 2^551241222 is an apocalyptic number.

551241222 is an abundant number, since it is smaller than the sum of its proper divisors (752189178).

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

551241222 is a wasteful number, since it uses less digits than its factorization.

551241222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452620.

The product of its digits is 1600, while the sum is 24.

The square root of 551241222 is about 23478.5268277207. The cubic root of 551241222 is about 819.9371466795.

Adding to 551241222 its reverse (222142155), we get a palindrome (773383377).

The spelling of 551241222 in words is "five hundred fifty-one million, two hundred forty-one thousand, two hundred twenty-two".