222222021220222 has 4 divisors (see below), whose sum is σ = 333333031830336. Its totient is φ = 111111010610110.

The previous prime is 222222021220201. The next prime is 222222021220307. The reversal of 222222021220222 is 222022120222222.

It is a happy number.

222222021220222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55555505305054 + ... + 55555505305057.

It is an arithmetic number, because the mean of its divisors is an integer number (83333257957584).

Almost surely, 2^{222222021220222} is an apocalyptic number.

222222021220222 is a deficient number, since it is larger than the sum of its proper divisors (111111010610114).

222222021220222 is a wasteful number, since it uses less digits than its factorization.

222222021220222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111111010610113.

The product of its (nonzero) digits is 4096, while the sum is 25.

Adding to 222222021220222 its reverse (222022120222222), we get a palindrome (444244141442444).

The spelling of 222222021220222 in words is "two hundred twenty-two trillion, two hundred twenty-two billion, twenty-one million, two hundred twenty thousand, two hundred twenty-two".