22251413332 has 24 divisors (see below), whose sum is σ = 39262095936. Its totient is φ = 11033974848.

The previous prime is 22251413281. The next prime is 22251413357. The reversal of 22251413332 is 23331415222.

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 22251413332.

It is a congruent number.

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, 258328 + ... + 333520.

It is an arithmetic number, because the mean of its divisors is an integer number (1635920664).

Almost surely, 2^22251413332 is an apocalyptic number.

It is an amenable number.

22251413332 is a deficient number, since it is larger than the sum of its proper divisors (17010682604).

22251413332 is a wasteful number, since it uses less digits than its factorization.

22251413332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75807 (or 75805 counting only the distinct ones).

The product of its digits is 8640, while the sum is 28.

Adding to 22251413332 its reverse (23331415222), we get a palindrome (45582828554).

The spelling of 22251413332 in words is "twenty-two billion, two hundred fifty-one million, four hundred thirteen thousand, three hundred thirty-two".