22111453530 has 24 divisors (see below), whose sum is σ = 57489779412. Its totient is φ = 5896387584.

The previous prime is 22111453501. The next prime is 22111453531. The reversal of 22111453530 is 3535411122.

It can be written as a sum of positive squares in 2 ways, for example, as 19504636281 + 2606817249 = 139659^2 + 51057^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22111453494 and 22111453503.

It is not an unprimeable number, because it can be changed into a prime (22111453531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122841319 + ... + 122841498.

Almost surely, 2^22111453530 is an apocalyptic number.

22111453530 is an abundant number, since it is smaller than the sum of its proper divisors (35378325882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22111453530 is a wasteful number, since it uses less digits than its factorization.

22111453530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245682830 (or 245682827 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 22111453530 its reverse (3535411122), we get a palindrome (25646864652).

The spelling of 22111453530 in words is "twenty-two billion, one hundred eleven million, four hundred fifty-three thousand, five hundred thirty".