100220227 has 2 divisors, whose sum is σ = 100220228. Its totient is φ = 100220226.

The previous prime is 100220213. The next prime is 100220233. The reversal of 100220227 is 722022001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100220227 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100220227.

It is not a weakly prime, because it can be changed into another prime (100220257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50110113 + 50110114.

It is an arithmetic number, because the mean of its divisors is an integer number (50110114).

Almost surely, 2^100220227 is an apocalyptic number.

100220227 is a deficient number, since it is larger than the sum of its proper divisors (1).

100220227 is an equidigital number, since it uses as much as digits as its factorization.

100220227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 100220227 is about 10011.0052941750. The cubic root of 100220227 is about 464.4993679318.

Adding to 100220227 its reverse (722022001), we get a palindrome (822242228).

The spelling of 100220227 in words is "one hundred million, two hundred twenty thousand, two hundred twenty-seven".