100202220228 has 48 divisors (see below), whose sum is σ = 259241532480. Its totient is φ = 29866531200.

The previous prime is 100202220221. The next prime is 100202220247. The reversal of 100202220228 is 822022202001.

It is a super-2 number, since 2×100202220228² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100202220221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6214143 + ... + 6230246.

It is an arithmetic number, because the mean of its divisors is an integer number (5400865260).

Almost surely, 2^100202220228 is an apocalyptic number.

It is an amenable number.

100202220228 is an abundant number, since it is smaller than the sum of its proper divisors (159039312252).

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

100202220228 is a wasteful number, since it uses less digits than its factorization.

100202220228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12444468 (or 12444466 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 100202220228 its reverse (822022202001), we get a palindrome (922224422229).

The spelling of 100202220228 in words is "one hundred billion, two hundred two million, two hundred twenty thousand, two hundred twenty-eight".