22122211202222 has 4 divisors (see below), whose sum is σ = 33183316803336. Its totient is φ = 11061105601110.

The previous prime is 22122211202209. The next prime is 22122211202227. The reversal of 22122211202222 is 22220211222122.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22122211202227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5530552800554 + ... + 5530552800557.

It is an arithmetic number, because the mean of its divisors is an integer number (8295829200834).

Almost surely, 2^{22122211202222} is an apocalyptic number.

22122211202222 is a deficient number, since it is larger than the sum of its proper divisors (11061105601114).

22122211202222 is a wasteful number, since it uses less digits than its factorization.

22122211202222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11061105601113.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 22122211202222 its reverse (22220211222122), we get a palindrome (44342422424344).

The spelling of 22122211202222 in words is "twenty-two trillion, one hundred twenty-two billion, two hundred eleven million, two hundred two thousand, two hundred twenty-two".