553431222 has 24 divisors (see below), whose sum is σ = 1199775720. Its totient is φ = 184373280.

The previous prime is 553431191. The next prime is 553431227. The reversal of 553431222 is 222134355.

It is a happy number.

553431222 is a `hidden beast` number, since 5 + 5 + 3 + 431 + 222 = 666.

553431222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×553431222² = 612572234968826568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553431227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28554 + ... + 43842.

It is an arithmetic number, because the mean of its divisors is an integer number (49990655).

Almost surely, 2^553431222 is an apocalyptic number.

553431222 is an abundant number, since it is smaller than the sum of its proper divisors (646344498).

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

553431222 is a wasteful number, since it uses less digits than its factorization.

553431222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17308 (or 17305 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 553431222 is about 23525.1189582540. The cubic root of 553431222 is about 821.0215416456.

Adding to 553431222 its reverse (222134355), we get a palindrome (775565577).

It can be divided in two parts, 55343 and 1222, that added together give a palindrome (56565).

The spelling of 553431222 in words is "five hundred fifty-three million, four hundred thirty-one thousand, two hundred twenty-two".