228100002 has 32 divisors (see below), whose sum is σ = 492914688. Its totient is φ = 69952896.

The previous prime is 228099983. The next prime is 228100007. The reversal of 228100002 is 200001822.

It is a super-2 number, since 2×228100002² = 104059221824800008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (228100007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19743 + ... + 29085.

It is an arithmetic number, because the mean of its divisors is an integer number (15403584).

Almost surely, 2^228100002 is an apocalyptic number.

228100002 is an abundant number, since it is smaller than the sum of its proper divisors (264814686).

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

228100002 is a wasteful number, since it uses less digits than its factorization.

228100002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9674.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 228100002 is about 15102.9799046413. The cubic root of 228100002 is about 611.0007777033. Note that the first 3 decimals are identical.

Adding to 228100002 its reverse (200001822), we get a palindrome (428101824).

The spelling of 228100002 in words is "two hundred twenty-eight million, one hundred thousand, two".