22212222101222 has 8 divisors (see below), whose sum is σ = 33319191126000. Its totient is φ = 11105825059224.

The previous prime is 22212222101219. The next prime is 22212222101249. The reversal of 22212222101222 is 22210122221222.

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

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, 142898597 + ... + 143053952.

It is an arithmetic number, because the mean of its divisors is an integer number (4164898890750).

Almost surely, 2^{22212222101222} is an apocalyptic number.

22212222101222 is a deficient number, since it is larger than the sum of its proper divisors (11106969024778).

22212222101222 is a wasteful number, since it uses less digits than its factorization.

22212222101222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285991390.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 22212222101222 its reverse (22210122221222), we get a palindrome (44422344322444).

The spelling of 22212222101222 in words is "twenty-two trillion, two hundred twelve billion, two hundred twenty-two million, one hundred one thousand, two hundred twenty-two".