22603452216 has 64 divisors (see below), whose sum is σ = 59055955200. Its totient is φ = 7195845888.

The previous prime is 22603452211. The next prime is 22603452307. The reversal of 22603452216 is 61225430622.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22603452211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 332700 + ... + 394836.

It is an arithmetic number, because the mean of its divisors is an integer number (922749300).

Almost surely, 2^22603452216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22603452216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29527977600).

22603452216 is an abundant number, since it is smaller than the sum of its proper divisors (36452502984).

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

22603452216 is a wasteful number, since it uses less digits than its factorization.

22603452216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62828 (or 62824 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 22603452216 its reverse (61225430622), we get a palindrome (83828882838).

The spelling of 22603452216 in words is "twenty-two billion, six hundred three million, four hundred fifty-two thousand, two hundred sixteen".