226556550 has 144 divisors (see below), whose sum is σ = 682514352. Its totient is φ = 53395200.

The previous prime is 226556543. The next prime is 226556563. The reversal of 226556550 is 55655622.

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 71 ways as a sum of consecutive naturals, for example, 182532 + ... + 183768.

It is an arithmetic number, because the mean of its divisors is an integer number (4739683).

Almost surely, 2^226556550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 226556550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (341257176).

226556550 is an abundant number, since it is smaller than the sum of its proper divisors (455957802).

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

226556550 is a wasteful number, since it uses less digits than its factorization.

226556550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1303 (or 1295 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The square root of 226556550 is about 15051.7955739506. The cubic root of 226556550 is about 609.6195334173.

The spelling of 226556550 in words is "two hundred twenty-six million, five hundred fifty-six thousand, five hundred fifty".