100022228 has 12 divisors (see below), whose sum is σ = 178006080. Its totient is φ = 49163352.

The previous prime is 100022227. The next prime is 100022233. The reversal of 100022228 is 822220001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100022227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211676 + ... + 212147.

It is an arithmetic number, because the mean of its divisors is an integer number (14833840).

Almost surely, 2^100022228 is an apocalyptic number.

It is an amenable number.

100022228 is a deficient number, since it is larger than the sum of its proper divisors (77983852).

100022228 is a wasteful number, since it uses less digits than its factorization.

100022228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423886 (or 423884 counting only the distinct ones).

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

The square root of 100022228 is about 10001.1113382464. Note that the first 3 decimals coincide. The cubic root of 100022228 is about 464.1932718923.

Adding to 100022228 its reverse (822220001), we get a palindrome (922242229).

The spelling of 100022228 in words is "one hundred million, twenty-two thousand, two hundred twenty-eight".