22222012210213 has 4 divisors (see below), whose sum is σ = 22223418415488. Its totient is φ = 22220606004940.

The previous prime is 22222012210207. The next prime is 22222012210217. The reversal of 22222012210213 is 31201221022222.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22222012210213 is a prime.

It is a super-2 number, since 2×22222012210213² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22222012210217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 703078933 + ... + 703110538.

It is an arithmetic number, because the mean of its divisors is an integer number (5555854603872).

Almost surely, 2^{22222012210213} is an apocalyptic number.

It is an amenable number.

22222012210213 is a deficient number, since it is larger than the sum of its proper divisors (1406205275).

22222012210213 is a wasteful number, since it uses less digits than its factorization.

22222012210213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1406205274.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 22222012210213 its reverse (31201221022222), we get a palindrome (53423233232435).

The spelling of 22222012210213 in words is "twenty-two trillion, two hundred twenty-two billion, twelve million, two hundred ten thousand, two hundred thirteen".