222021120222 has 48 divisors (see below), whose sum is σ = 527524807680. Its totient is φ = 66926869200.

The previous prime is 222021120169. The next prime is 222021120263.

222021120222 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 222021120195 and 222021120204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2897572 + ... + 2973207.

It is an arithmetic number, because the mean of its divisors is an integer number (10990100160).

Almost surely, 2^222021120222 is an apocalyptic number.

222021120222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

222021120222 is an abundant number, since it is smaller than the sum of its proper divisors (305503687458).

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

222021120222 is a wasteful number, since it uses less digits than its factorization.

222021120222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5870989 (or 5870986 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

It can be divided in two parts, 222021 and 120222, that added together give a palindrome (342243).

The spelling of 222021120222 in words is "two hundred twenty-two billion, twenty-one million, one hundred twenty thousand, two hundred twenty-two".