228217650 has 48 divisors (see below), whose sum is σ = 567300000. Its totient is φ = 60716160.

The previous prime is 228217597. The next prime is 228217667. The reversal of 228217650 is 56712822.

228217650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a plaindrome in base 14.

It is a zygodrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73326 + ... + 76374.

It is an arithmetic number, because the mean of its divisors is an integer number (11818750).

Almost surely, 2^228217650 is an apocalyptic number.

228217650 is an abundant number, since it is smaller than the sum of its proper divisors (339082350).

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

228217650 is a wasteful number, since it uses less digits than its factorization.

228217650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3563 (or 3558 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 228217650 is about 15106.8742630632. The cubic root of 228217650 is about 611.1058057085.

The spelling of 228217650 in words is "two hundred twenty-eight million, two hundred seventeen thousand, six hundred fifty".