553220226 has 192 divisors, whose sum is σ = 1459382400. Its totient is φ = 154244736.

The previous prime is 553220183. The next prime is 553220243. The reversal of 553220226 is 622022355.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 553220226.

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 95 ways as a sum of consecutive naturals, for example, 9376585 + ... + 9376643.

It is an arithmetic number, because the mean of its divisors is an integer number (7600950).

Almost surely, 2^553220226 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 553220226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (729691200).

553220226 is an abundant number, since it is smaller than the sum of its proper divisors (906162174).

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

553220226 is a wasteful number, since it uses less digits than its factorization.

553220226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158 (or 133 counting only the distinct ones).

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

The square root of 553220226 is about 23520.6340475762. The cubic root of 553220226 is about 820.9171900575.

The spelling of 553220226 in words is "five hundred fifty-three million, two hundred twenty thousand, two hundred twenty-six".