100220229 has 12 divisors (see below), whose sum is σ = 148129696. Its totient is φ = 65259432.

The previous prime is 100220227. The next prime is 100220233. The reversal of 100220229 is 922022001.

It is not a de Polignac number, because 100220229 - 2¹ = 100220227 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100220227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 129097 + ... + 129870.

Almost surely, 2^100220229 is an apocalyptic number.

It is an amenable number.

100220229 is a deficient number, since it is larger than the sum of its proper divisors (47909467).

100220229 is a wasteful number, since it uses less digits than its factorization.

100220229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259016 (or 259013 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 100220229 is about 10011.0053940651. The cubic root of 100220229 is about 464.4993710217.

The spelling of 100220229 in words is "one hundred million, two hundred twenty thousand, two hundred twenty-nine".