22211145532 has 12 divisors (see below), whose sum is σ = 39254351976. Its totient is φ = 10995616400.

The previous prime is 22211145503. The next prime is 22211145571. The reversal of 22211145532 is 23554111222.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22211145532.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27488638 + ... + 27489445.

It is an arithmetic number, because the mean of its divisors is an integer number (3271195998).

Almost surely, 2^22211145532 is an apocalyptic number.

It is an amenable number.

22211145532 is a deficient number, since it is larger than the sum of its proper divisors (17043206444).

22211145532 is a wasteful number, since it uses less digits than its factorization.

22211145532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54978188 (or 54978186 counting only the distinct ones).

The product of its digits is 4800, while the sum is 28.

Adding to 22211145532 its reverse (23554111222), we get a palindrome (45765256754).

The spelling of 22211145532 in words is "twenty-two billion, two hundred eleven million, one hundred forty-five thousand, five hundred thirty-two".