22221111100022 has 16 divisors (see below), whose sum is σ = 33354018730032. Its totient is φ = 11103106959360.

The previous prime is 22221111099961. The next prime is 22221111100061. The reversal of 22221111100022 is 22000111112222.

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 7 ways as a sum of consecutive naturals, for example, 20758058 + ... + 21802274.

It is an arithmetic number, because the mean of its divisors is an integer number (2084626170627).

Almost surely, 2^{22221111100022} is an apocalyptic number.

22221111100022 is a deficient number, since it is larger than the sum of its proper divisors (11132907630010).

22221111100022 is a wasteful number, since it uses less digits than its factorization.

22221111100022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051343.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22221111100022 its reverse (22000111112222), we get a palindrome (44221222212244).

The spelling of 22221111100022 in words is "twenty-two trillion, two hundred twenty-one billion, one hundred eleven million, one hundred thousand, twenty-two".