222005331 has 12 divisors (see below), whose sum is σ = 320951280. Its totient is φ = 147875760.

The previous prime is 222005327. The next prime is 222005339. The reversal of 222005331 is 133500222.

222005331 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 222005331 - 2² = 222005327 is a prime.

It is a super-2 number, since 2×222005331² = 98572733984839122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (222005339) 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, 1026 + ... + 21096.

It is an arithmetic number, because the mean of its divisors is an integer number (26745940).

Almost surely, 2^222005331 is an apocalyptic number.

222005331 is a deficient number, since it is larger than the sum of its proper divisors (98945949).

222005331 is a wasteful number, since it uses less digits than its factorization.

222005331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21306 (or 21303 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 222005331 is about 14899.8433213239. The cubic root of 222005331 is about 605.5097413790.

Adding to 222005331 its reverse (133500222), we get a palindrome (355505553).

The spelling of 222005331 in words is "two hundred twenty-two million, five thousand, three hundred thirty-one".