222021222222 has 32 divisors (see below), whose sum is σ = 449709926400. Its totient is φ = 73062688608.

The previous prime is 222021222209. The next prime is 222021222251. The reversal of 222021222222 is 222222120222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6252843 + ... + 6288249.

It is an arithmetic number, because the mean of its divisors is an integer number (14053435200).

Almost surely, 2^222021222222 is an apocalyptic number.

222021222222 is an abundant number, since it is smaller than the sum of its proper divisors (227688704178).

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

222021222222 is a wasteful number, since it uses less digits than its factorization.

222021222222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48720.

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 222021222222 its reverse (222222120222), we get a palindrome (444243342444).

The spelling of 222021222222 in words is "two hundred twenty-two billion, twenty-one million, two hundred twenty-two thousand, two hundred twenty-two".