222020109 has 24 divisors (see below), whose sum is σ = 343313152. Its totient is φ = 143233920.

The previous prime is 222020093. The next prime is 222020131. The reversal of 222020109 is 901020222.

222020109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 222020109 - 2⁴ = 222020093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222020091 and 222020100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222020159) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7204 + ... + 22269.

Almost surely, 2^222020109 is an apocalyptic number.

It is an amenable number.

222020109 is a deficient number, since it is larger than the sum of its proper divisors (121293043).

222020109 is an equidigital number, since it uses as much as digits as its factorization.

222020109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29519 (or 29507 counting only the distinct ones).

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

The square root of 222020109 is about 14900.3392243264. The cubic root of 222020109 is about 605.5231765284.

The spelling of 222020109 in words is "two hundred twenty-two million, twenty thousand, one hundred nine".