22201223222 has 4 divisors (see below), whose sum is σ = 33301834836. Its totient is φ = 11100611610.

The previous prime is 22201223173. The next prime is 22201223299. The reversal of 22201223222 is 22232210222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22232210222 = 2 ⋅11116105111.

It is a super-2 number, since 2×22201223222² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22201223194 and 22201223203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550305804 + ... + 5550305807.

It is an arithmetic number, because the mean of its divisors is an integer number (8325458709).

Almost surely, 2^22201223222 is an apocalyptic number.

22201223222 is a deficient number, since it is larger than the sum of its proper divisors (11100611614).

22201223222 is a wasteful number, since it uses less digits than its factorization.

22201223222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11100611613.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 22201223222 its reverse (22232210222), we get a palindrome (44433433444).

The spelling of 22201223222 in words is "twenty-two billion, two hundred one million, two hundred twenty-three thousand, two hundred twenty-two".