228100022 has 16 divisors (see below), whose sum is σ = 360631440. Its totient is φ = 108038112.

The previous prime is 228100021. The next prime is 228100043. The reversal of 228100022 is 220001822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228100021) 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, 34028 + ... + 40175.

It is an arithmetic number, because the mean of its divisors is an integer number (22539465).

Almost surely, 2^228100022 is an apocalyptic number.

228100022 is a deficient number, since it is larger than the sum of its proper divisors (132531418).

228100022 is a wasteful number, since it uses less digits than its factorization.

228100022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74287.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 228100022 is about 15102.9805667623. The cubic root of 228100022 is about 611.0007955610. Note that the first 3 decimals are identical.

Adding to 228100022 its reverse (220001822), we get a palindrome (448101844).

The spelling of 228100022 in words is "two hundred twenty-eight million, one hundred thousand, twenty-two".