222242210 has 32 divisors (see below), whose sum is σ = 405984960. Its totient is φ = 87584832.

The previous prime is 222242147. The next prime is 222242213. The reversal of 222242210 is 12242222.

It is not an unprimeable number, because it can be changed into a prime (222242213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 244577 + ... + 245483.

It is an arithmetic number, because the mean of its divisors is an integer number (12687030).

Almost surely, 2^222242210 is an apocalyptic number.

222242210 is a deficient number, since it is larger than the sum of its proper divisors (183742750).

222242210 is a wasteful number, since it uses less digits than its factorization.

222242210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1250.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 222242210 is about 14907.7902453717. The cubic root of 222242210 is about 605.7250238342.

Adding to 222242210 its reverse (12242222), we get a palindrome (234484432).

The spelling of 222242210 in words is "two hundred twenty-two million, two hundred forty-two thousand, two hundred ten".