100220198 has 16 divisors (see below), whose sum is σ = 166271280. Its totient is φ = 45004896.

The previous prime is 100220189. The next prime is 100220203. The reversal of 100220198 is 891022001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51128 + ... + 53051.

It is an arithmetic number, because the mean of its divisors is an integer number (10391955).

Almost surely, 2^100220198 is an apocalyptic number.

100220198 is a deficient number, since it is larger than the sum of its proper divisors (66051082).

100220198 is a wasteful number, since it uses less digits than its factorization.

100220198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104231.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 100220198 is about 10011.0038457689. The cubic root of 100220198 is about 464.4993231289.

Adding to 100220198 its reverse (891022001), we get a palindrome (991242199).

The spelling of 100220198 in words is "one hundred million, two hundred twenty thousand, one hundred ninety-eight".