222384081 has 4 divisors (see below), whose sum is σ = 296512112. Its totient is φ = 148256052.

The previous prime is 222384077. The next prime is 222384091. The reversal of 222384081 is 180483222.

222384081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 222384081 - 2² = 222384077 is a prime.

It is a super-2 number, since 2×222384081² = 98909358964429122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222384031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37064011 + ... + 37064016.

It is an arithmetic number, because the mean of its divisors is an integer number (74128028).

Almost surely, 2^222384081 is an apocalyptic number.

It is an amenable number.

222384081 is a deficient number, since it is larger than the sum of its proper divisors (74128031).

222384081 is an equidigital number, since it uses as much as digits as its factorization.

222384081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74128030.

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 222384081 is about 14912.5477702504. The cubic root of 222384081 is about 605.8538870469.

The spelling of 222384081 in words is "two hundred twenty-two million, three hundred eighty-four thousand, eighty-one".