222220330 has 16 divisors (see below), whose sum is σ = 413790120. Its totient is φ = 85822912.

The previous prime is 222220309. The next prime is 222220331. The reversal of 222220330 is 33022222.

222220330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 219306481 + 2913849 = 14809^2 + 1707^2 .

It is not an unprimeable number, because it can be changed into a prime (222220331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 382849 + ... + 383428.

Almost surely, 2^222220330 is an apocalyptic number.

222220330 is a deficient number, since it is larger than the sum of its proper divisors (191569790).

222220330 is a wasteful number, since it uses less digits than its factorization.

222220330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766313.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 222220330 is about 14907.0563828007. The cubic root of 222220330 is about 605.7051450745.

Adding to 222220330 its reverse (33022222), we get a palindrome (255242552).

The spelling of 222220330 in words is "two hundred twenty-two million, two hundred twenty thousand, three hundred thirty".