22212224234321 has 16 divisors (see below), whose sum is σ = 24472994107968. Its totient is φ = 19991725992000.

The previous prime is 22212224234311. The next prime is 22212224234377. The reversal of 22212224234321 is 12343242221222.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22212224234321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22212224234311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17009726 + ... + 18268968.

It is an arithmetic number, because the mean of its divisors is an integer number (1529562131748).

Almost surely, 2^{22212224234321} is an apocalyptic number.

It is an amenable number.

22212224234321 is a deficient number, since it is larger than the sum of its proper divisors (2260769873647).

22212224234321 is a wasteful number, since it uses less digits than its factorization.

22212224234321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1275232.

The product of its digits is 36864, while the sum is 32.

Adding to 22212224234321 its reverse (12343242221222), we get a palindrome (34555466455543).

The spelling of 22212224234321 in words is "twenty-two trillion, two hundred twelve billion, two hundred twenty-four million, two hundred thirty-four thousand, three hundred twenty-one".