22221011012222 has 16 divisors (see below), whose sum is σ = 36721670767344. Its totient is φ = 10000455000000.

The previous prime is 22221011012209. The next prime is 22221011012231.

22221011012222 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 22221011012194 and 22221011012203.

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, 5000225279 + ... + 5000229722.

It is an arithmetic number, because the mean of its divisors is an integer number (2295104422959).

Almost surely, 2^{22221011012222} is an apocalyptic number.

22221011012222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22221011012222 is a deficient number, since it is larger than the sum of its proper divisors (14500659755122).

22221011012222 is a wasteful number, since it uses less digits than its factorization.

22221011012222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10000455115.

The product of its (nonzero) digits is 256, while the sum is 20.

It can be divided in two parts, 2222101 and 1012222, that added together give a palindrome (3234323).

The spelling of 22221011012222 in words is "twenty-two trillion, two hundred twenty-one billion, eleven million, twelve thousand, two hundred twenty-two".