22210222121222 has 32 divisors (see below), whose sum is σ = 34603362259200. Its totient is φ = 10678866660000.

The previous prime is 22210222121201. The next prime is 22210222121249. The reversal of 22210222121222 is 22212122201222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 380211197 + ... + 380269607.

It is an arithmetic number, because the mean of its divisors is an integer number (1081355070600).

Almost surely, 2^{22210222121222} is an apocalyptic number.

22210222121222 is a deficient number, since it is larger than the sum of its proper divisors (12393140137978).

22210222121222 is a wasteful number, since it uses less digits than its factorization.

22210222121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84812.

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

Adding to 22210222121222 its reverse (22212122201222), we get a palindrome (44422344322444).

The spelling of 22210222121222 in words is "twenty-two trillion, two hundred ten billion, two hundred twenty-two million, one hundred twenty-one thousand, two hundred twenty-two".