222120222306 has 16 divisors (see below), whose sum is σ = 444286724544. Its totient is φ = 74032360784.

The previous prime is 222120222271. The next prime is 222120222307. The reversal of 222120222306 is 603222021222.

It is not an unprimeable number, because it can be changed into a prime (222120222307) 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, 1865781 + ... + 1981256.

It is an arithmetic number, because the mean of its divisors is an integer number (27767920284).

Almost surely, 2^222120222306 is an apocalyptic number.

222120222306 is an abundant number, since it is smaller than the sum of its proper divisors (222166502238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222120222306 is a wasteful number, since it uses less digits than its factorization.

222120222306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3856665.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 222120222306 its reverse (603222021222), we get a palindrome (825342243528).

The spelling of 222120222306 in words is "two hundred twenty-two billion, one hundred twenty million, two hundred twenty-two thousand, three hundred six".