22002111222222 has 32 divisors (see below), whose sum is σ = 44090601737472. Its totient is φ = 7319641953024.

The previous prime is 22002111222211. The next prime is 22002111222271. The reversal of 22002111222222 is 22222211120022.

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, 65407023 + ... + 65742549.

It is an arithmetic number, because the mean of its divisors is an integer number (1377831304296).

Almost surely, 2^{22002111222222} is an apocalyptic number.

22002111222222 is an abundant number, since it is smaller than the sum of its proper divisors (22088490515250).

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

22002111222222 is a wasteful number, since it uses less digits than its factorization.

22002111222222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356952.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 22002111222222 its reverse (22222211120022), we get a palindrome (44224322342244).

The spelling of 22002111222222 in words is "twenty-two trillion, two billion, one hundred eleven million, two hundred twenty-two thousand, two hundred twenty-two".