228241100 has 36 divisors (see below), whose sum is σ = 496457808. Its totient is φ = 91080000.

The previous prime is 228241093. The next prime is 228241147. The reversal of 228241100 is 1142822.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43625 + ... + 48575.

Almost surely, 2^228241100 is an apocalyptic number.

228241100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228241100 is an abundant number, since it is smaller than the sum of its proper divisors (268216708).

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

228241100 is a wasteful number, since it uses less digits than its factorization.

228241100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5426 (or 5419 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 228241100 is about 15107.6503798572. The cubic root of 228241100 is about 611.1267359335.

Adding to 228241100 its reverse (1142822), we get a palindrome (229383922).

The spelling of 228241100 in words is "two hundred twenty-eight million, two hundred forty-one thousand, one hundred".