221110000002222 has 48 divisors (see below), whose sum is σ = 482459414715120. Its totient is φ = 67493036547072.

The previous prime is 221110000002209. The next prime is 221110000002301. The reversal of 221110000002222 is 222200000011122.

It is a super-2 number, since 2×221110000002222² (a number of 29 digits) contains 22 as substring.

It is a zygodrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1723103647 + ... + 1723231962.

It is an arithmetic number, because the mean of its divisors is an integer number (10051237806565).

Almost surely, 2^{221110000002222} is an apocalyptic number.

221110000002222 is an abundant number, since it is smaller than the sum of its proper divisors (261349414712898).

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

221110000002222 is a wasteful number, since it uses less digits than its factorization.

221110000002222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3446335685 (or 3446335668 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 221110000002222 its reverse (222200000011122), we get a palindrome (443310000013344).

The spelling of 221110000002222 in words is "two hundred twenty-one trillion, one hundred ten billion, two thousand, two hundred twenty-two".