100402227 has 16 divisors (see below), whose sum is σ = 149376000. Its totient is φ = 66650472.

The previous prime is 100402223. The next prime is 100402243. The reversal of 100402227 is 722204001.

It is not a de Polignac number, because 100402227 - 2² = 100402223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100402223) 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, 1327 + ... + 14232.

It is an arithmetic number, because the mean of its divisors is an integer number (9336000).

Almost surely, 2^100402227 is an apocalyptic number.

100402227 is a deficient number, since it is larger than the sum of its proper divisors (48973773).

100402227 is a wasteful number, since it uses less digits than its factorization.

100402227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15807 (or 15801 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 100402227 is about 10020.0911672499. The cubic root of 100402227 is about 464.7803749529.

Adding to 100402227 its reverse (722204001), we get a palindrome (822606228).

The spelling of 100402227 in words is "one hundred million, four hundred two thousand, two hundred twenty-seven".