222021001222 has 8 divisors (see below), whose sum is σ = 333061041456. Its totient is φ = 111000654072.

The previous prime is 222021001219. The next prime is 222021001243. The reversal of 222021001222 is 222100120222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 222021001196 and 222021001205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4895053 + ... + 4940200.

It is an arithmetic number, because the mean of its divisors is an integer number (41632630182).

Almost surely, 2^222021001222 is an apocalyptic number.

222021001222 is a deficient number, since it is larger than the sum of its proper divisors (111040040234).

222021001222 is a wasteful number, since it uses less digits than its factorization.

222021001222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9846542.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 222021001222 its reverse (222100120222), we get a palindrome (444121121444).

The spelling of 222021001222 in words is "two hundred twenty-two billion, twenty-one million, one thousand, two hundred twenty-two".