22225001204 has 48 divisors (see below), whose sum is σ = 47243927808. Its totient is φ = 8930569728.

The previous prime is 22225001189. The next prime is 22225001207. The reversal of 22225001204 is 40210052222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22225001207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36422 + ... + 213954.

It is an arithmetic number, because the mean of its divisors is an integer number (984248496).

Almost surely, 2^22225001204 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 22225001204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23621963904).

22225001204 is an abundant number, since it is smaller than the sum of its proper divisors (25018926604).

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

22225001204 is a wasteful number, since it uses less digits than its factorization.

22225001204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177824 (or 177822 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

Adding to 22225001204 its reverse (40210052222), we get a palindrome (62435053426).

The spelling of 22225001204 in words is "twenty-two billion, two hundred twenty-five million, one thousand, two hundred four".