22111442530 has 32 divisors (see below), whose sum is σ = 42151363200. Its totient is φ = 8322420480.

The previous prime is 22111442467. The next prime is 22111442533. The reversal of 22111442530 is 3524411122.

It is a junction number, because it is equal to n+sod(n) for n = 22111442495 and 22111442504.

It is not an unprimeable number, because it can be changed into a prime (22111442533) 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, 905785 + ... + 929875.

It is an arithmetic number, because the mean of its divisors is an integer number (1317230100).

Almost surely, 2^22111442530 is an apocalyptic number.

22111442530 is a deficient number, since it is larger than the sum of its proper divisors (20039920670).

22111442530 is a wasteful number, since it uses less digits than its factorization.

22111442530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29514.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 22111442530 its reverse (3524411122), we get a palindrome (25635853652).

The spelling of 22111442530 in words is "twenty-two billion, one hundred eleven million, four hundred forty-two thousand, five hundred thirty".