22212202220222 has 16 divisors (see below), whose sum is σ = 38079150946272. Its totient is φ = 9519242737920.

The previous prime is 22212202220203. The next prime is 22212202220293. The reversal of 22212202220222 is 22202220221222.

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, 22201343 + ... + 23180250.

It is an arithmetic number, because the mean of its divisors is an integer number (2379946934142).

Almost surely, 2^{22212202220222} is an apocalyptic number.

22212202220222 is a deficient number, since it is larger than the sum of its proper divisors (15866948726050).

22212202220222 is a wasteful number, since it uses less digits than its factorization.

22212202220222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45416563.

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 22212202220222 its reverse (22202220221222), we get a palindrome (44414422441444).

The spelling of 22212202220222 in words is "twenty-two trillion, two hundred twelve billion, two hundred two million, two hundred twenty thousand, two hundred twenty-two".