22121224002223 has 8 divisors (see below), whose sum is σ = 24055512270192. Its totient is φ = 20257273489536.

The previous prime is 22121224002203. The next prime is 22121224002233. The reversal of 22121224002223 is 32220042212122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22121224002223 - 2³⁷ = 21983785048751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22121224002203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17584438165 + ... + 17584439422.

It is an arithmetic number, because the mean of its divisors is an integer number (3006939033774).

Almost surely, 2^{22121224002223} is an apocalyptic number.

22121224002223 is a deficient number, since it is larger than the sum of its proper divisors (1934288267969).

22121224002223 is a wasteful number, since it uses less digits than its factorization.

22121224002223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35168877641.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 22121224002223 its reverse (32220042212122), we get a palindrome (54341266214345).

The spelling of 22121224002223 in words is "twenty-two trillion, one hundred twenty-one billion, two hundred twenty-four million, two thousand, two hundred twenty-three".