228463368 has 32 divisors (see below), whose sum is σ = 652752960. Its totient is φ = 65275200.

The previous prime is 228463349. The next prime is 228463369. The reversal of 228463368 is 863364822.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (228463369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 679783 + ... + 680118.

It is an arithmetic number, because the mean of its divisors is an integer number (20398530).

Almost surely, 2^228463368 is an apocalyptic number.

228463368 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

228463368 is an abundant number, since it is smaller than the sum of its proper divisors (424289592).

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

228463368 is a wasteful number, since it uses less digits than its factorization.

228463368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1359917 (or 1359913 counting only the distinct ones).

The product of its digits is 331776, while the sum is 42.

The square root of 228463368 is about 15115.0047303995. The cubic root of 228463368 is about 611.3250493955.

The spelling of 228463368 in words is "two hundred twenty-eight million, four hundred sixty-three thousand, three hundred sixty-eight".