22221222032222 has 4 divisors (see below), whose sum is σ = 33331833048336. Its totient is φ = 11110611016110.

The previous prime is 22221222032201. The next prime is 22221222032237. The reversal of 22221222032222 is 22223022212222.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 22221222032191 and 22221222032200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555305508054 + ... + 5555305508057.

It is an arithmetic number, because the mean of its divisors is an integer number (8332958262084).

Almost surely, 2^{22221222032222} is an apocalyptic number.

22221222032222 is a deficient number, since it is larger than the sum of its proper divisors (11110611016114).

22221222032222 is a wasteful number, since it uses less digits than its factorization.

22221222032222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11110611016113.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 22221222032222 its reverse (22223022212222), we get a palindrome (44444244244444).

The spelling of 22221222032222 in words is "twenty-two trillion, two hundred twenty-one billion, two hundred twenty-two million, thirty-two thousand, two hundred twenty-two".