22144211233021 has 16 divisors (see below), whose sum is σ = 22548933633600. Its totient is φ = 21740474020608.

The previous prime is 22144211233007. The next prime is 22144211233049. The reversal of 22144211233021 is 12033211244122.

It is a cyclic number.

It is not a de Polignac number, because 22144211233021 - 2¹³ = 22144211224829 is a prime.

It is a super-2 number, since 2×22144211233021² (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 (22144211233721) 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 15 ways as a sum of consecutive naturals, for example, 752089726 + ... + 752119168.

It is an arithmetic number, because the mean of its divisors is an integer number (1409308352100).

Almost surely, 2^{22144211233021} is an apocalyptic number.

It is an amenable number.

22144211233021 is a deficient number, since it is larger than the sum of its proper divisors (404722400579).

22144211233021 is a wasteful number, since it uses less digits than its factorization.

22144211233021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45708.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 22144211233021 its reverse (12033211244122), we get a palindrome (34177422477143).

The spelling of 22144211233021 in words is "twenty-two trillion, one hundred forty-four billion, two hundred eleven million, two hundred thirty-three thousand, twenty-one".