22221202202222 has 4 divisors (see below), whose sum is σ = 33331803303336. Its totient is φ = 11110601101110.

The previous prime is 22221202202207. The next prime is 22221202202239. The reversal of 22221202202222 is 22220220212222.

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

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, 5555300550554 + ... + 5555300550557.

It is an arithmetic number, because the mean of its divisors is an integer number (8332950825834).

Almost surely, 2^{22221202202222} is an apocalyptic number.

22221202202222 is a deficient number, since it is larger than the sum of its proper divisors (11110601101114).

22221202202222 is a wasteful number, since it uses less digits than its factorization.

22221202202222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11110601101113.

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

Adding to 22221202202222 its reverse (22220220212222), we get a palindrome (44441422414444).

The spelling of 22221202202222 in words is "twenty-two trillion, two hundred twenty-one billion, two hundred two million, two hundred two thousand, two hundred twenty-two".