22012100222 has 16 divisors (see below), whose sum is σ = 38353637472. Its totient is φ = 9279105120.

The previous prime is 22012100207. The next prime is 22012100239. The reversal of 22012100222 is 22200121022.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 22012100197 and 22012100206.

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, 12886793 + ... + 12888500.

It is an arithmetic number, because the mean of its divisors is an integer number (2397102342).

Almost surely, 2^22012100222 is an apocalyptic number.

22012100222 is a deficient number, since it is larger than the sum of its proper divisors (16341537250).

22012100222 is a wasteful number, since it uses less digits than its factorization.

22012100222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25775363.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 22012100222 its reverse (22200121022), we get a palindrome (44212221244).

The spelling of 22012100222 in words is "twenty-two billion, twelve million, one hundred thousand, two hundred twenty-two".