22255400532 has 12 divisors (see below), whose sum is σ = 51929267936. Its totient is φ = 7418466840.

The previous prime is 22255400521. The next prime is 22255400537. The reversal of 22255400532 is 23500455222.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 22255400532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22255400537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 927308344 + ... + 927308367.

Almost surely, 2^22255400532 is an apocalyptic number.

It is an amenable number.

22255400532 is an abundant number, since it is smaller than the sum of its proper divisors (29673867404).

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

22255400532 is a wasteful number, since it uses less digits than its factorization.

22255400532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1854616718 (or 1854616716 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 30.

Adding to 22255400532 its reverse (23500455222), we get a palindrome (45755855754).

The spelling of 22255400532 in words is "twenty-two billion, two hundred fifty-five million, four hundred thousand, five hundred thirty-two".