22214331331021 has 4 divisors (see below), whose sum is σ = 23521056703452. Its totient is φ = 20907605958592.

The previous prime is 22214331330979. The next prime is 22214331331051. The reversal of 22214331331021 is 12013313341222.

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

It can be written as a sum of positive squares in 2 ways, for example, as 15779048121225 + 6435283209796 = 3972285^2 + 2536786^2 .

It is a cyclic number.

It is not a de Polignac number, because 22214331331021 - 2³⁷ = 22076892377549 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 (22214331331051) 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, 653362686190 + ... + 653362686223.

It is an arithmetic number, because the mean of its divisors is an integer number (5880264175863).

Almost surely, 2^{22214331331021} is an apocalyptic number.

It is an amenable number.

22214331331021 is a deficient number, since it is larger than the sum of its proper divisors (1306725372431).

22214331331021 is a wasteful number, since it uses less digits than its factorization.

22214331331021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1306725372430.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 22214331331021 its reverse (12013313341222), we get a palindrome (34227644672243).

The spelling of 22214331331021 in words is "twenty-two trillion, two hundred fourteen billion, three hundred thirty-one million, three hundred thirty-one thousand, twenty-one".