22144211331 has 48 divisors (see below), whose sum is σ = 33938569728. Its totient is φ = 12809272960.

The previous prime is 22144211321. The next prime is 22144211357. The reversal of 22144211331 is 13311244122.

It is not a de Polignac number, because 22144211331 - 2⁹ = 22144210819 is a prime.

It is a super-2 number, since 2×22144211331² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22144211321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4196911 + ... + 4202183.

It is an arithmetic number, because the mean of its divisors is an integer number (707053536).

Almost surely, 2^22144211331 is an apocalyptic number.

22144211331 is a deficient number, since it is larger than the sum of its proper divisors (11794358397).

22144211331 is a wasteful number, since it uses less digits than its factorization.

22144211331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5824 (or 5813 counting only the distinct ones).

The product of its digits is 1152, while the sum is 24.

Adding to 22144211331 its reverse (13311244122), we get a palindrome (35455455453).

The spelling of 22144211331 in words is "twenty-two billion, one hundred forty-four million, two hundred eleven thousand, three hundred thirty-one".