22432013556 has 24 divisors (see below), whose sum is σ = 52753505280. Its totient is φ = 7418460672.

The previous prime is 22432013543. The next prime is 22432013557. The reversal of 22432013556 is 65531023422.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22432013557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7358061 + ... + 7361108.

It is an arithmetic number, because the mean of its divisors is an integer number (2198062720).

Almost surely, 2^22432013556 is an apocalyptic number.

It is an amenable number.

22432013556 is an abundant number, since it is smaller than the sum of its proper divisors (30321491724).

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

22432013556 is a wasteful number, since it uses less digits than its factorization.

22432013556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14719303 (or 14719301 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

Adding to 22432013556 its reverse (65531023422), we get a palindrome (87963036978).

The spelling of 22432013556 in words is "twenty-two billion, four hundred thirty-two million, thirteen thousand, five hundred fifty-six".