22200221112222 has 32 divisors (see below), whose sum is σ = 45601802464032. Its totient is φ = 7199858824704.

The previous prime is 22200221112211. The next prime is 22200221112239. The reversal of 22200221112222 is 22221112200222.

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 15 ways as a sum of consecutive naturals, for example, 6134898 + ... + 9057450.

It is an arithmetic number, because the mean of its divisors is an integer number (1425056327001).

Almost surely, 2^{22200221112222} is an apocalyptic number.

22200221112222 is an abundant number, since it is smaller than the sum of its proper divisors (23401581351810).

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

22200221112222 is a wasteful number, since it uses less digits than its factorization.

22200221112222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2956812.

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

Adding to 22200221112222 its reverse (22221112200222), we get a palindrome (44421333312444).

The spelling of 22200221112222 in words is "twenty-two trillion, two hundred billion, two hundred twenty-one million, one hundred twelve thousand, two hundred twenty-two".