228001446 has 32 divisors (see below), whose sum is σ = 512373600. Its totient is φ = 75144960.

The previous prime is 228001421. The next prime is 228001447. The reversal of 228001446 is 644100822.

228001446 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228001447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18915 + ... + 28526.

It is an arithmetic number, because the mean of its divisors is an integer number (16011675).

Almost surely, 2^228001446 is an apocalyptic number.

228001446 is an abundant number, since it is smaller than the sum of its proper divisors (284372154).

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

228001446 is a wasteful number, since it uses less digits than its factorization.

228001446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47541 (or 47535 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 228001446 is about 15099.7167523103. The cubic root of 228001446 is about 610.9127659145.

The spelling of 228001446 in words is "two hundred twenty-eight million, one thousand, four hundred forty-six".