222452209 has 12 divisors (see below), whose sum is σ = 272391600. Its totient is φ = 180637128.

The previous prime is 222452179. The next prime is 222452213. The reversal of 222452209 is 902254222.

222452209 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 222452209 - 2¹¹ = 222450161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222452239) 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, 118539 + ... + 120400.

It is an arithmetic number, because the mean of its divisors is an integer number (22699300).

Almost surely, 2^222452209 is an apocalyptic number.

It is an amenable number.

222452209 is a deficient number, since it is larger than the sum of its proper divisors (49939391).

222452209 is a wasteful number, since it uses less digits than its factorization.

222452209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238972 (or 238965 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 222452209 is about 14914.8318461859. The cubic root of 222452209 is about 605.9157490878.

The spelling of 222452209 in words is "two hundred twenty-two million, four hundred fifty-two thousand, two hundred nine".