228410100 has 54 divisors (see below), whose sum is σ = 715941590. Its totient is φ = 60909120.

The previous prime is 228410089. The next prime is 228410101. The reversal of 228410100 is 1014822.

It can be written as a sum of positive squares in 3 ways, for example, as 36144144 + 192265956 = 6012^2 + 13866^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228410101) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 125995 + ... + 127794.

Almost surely, 2^228410100 is an apocalyptic number.

228410100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228410100 is an abundant number, since it is smaller than the sum of its proper divisors (487531490).

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

228410100 is a wasteful number, since it uses less digits than its factorization.

228410100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253809 (or 253799 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 228410100 is about 15113.2425375893. The cubic root of 228410100 is about 611.2775339825.

Adding to 228410100 its reverse (1014822), we get a palindrome (229424922).

The spelling of 228410100 in words is "two hundred twenty-eight million, four hundred ten thousand, one hundred".