22102133540 has 24 divisors (see below), whose sum is σ = 46530244152. Its totient is φ = 8818803200.

The previous prime is 22102133513. The next prime is 22102133593. The reversal of 22102133540 is 4533120122.

It can be written as a sum of positive squares in 4 ways, for example, as 7030151716 + 15071981824 = 83846^2 + 122768^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1369919 + ... + 1385958.

It is an arithmetic number, because the mean of its divisors is an integer number (1938760173).

Almost surely, 2^22102133540 is an apocalyptic number.

22102133540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22102133540 is an abundant number, since it is smaller than the sum of its proper divisors (24428110612).

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

22102133540 is a wasteful number, since it uses less digits than its factorization.

22102133540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2756287 (or 2756285 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 22102133540 its reverse (4533120122), we get a palindrome (26635253662).

The spelling of 22102133540 in words is "twenty-two billion, one hundred two million, one hundred thirty-three thousand, five hundred forty".