2504625222 has 128 divisors (see below), whose sum is σ = 5810651136. Its totient is φ = 718740000.

The previous prime is 2504625209. The next prime is 2504625259. The reversal of 2504625222 is 2225264052.

It is a self number, because there is not a number n which added to its sum of digits gives 2504625222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16586847 + ... + 16586997.

It is an arithmetic number, because the mean of its divisors is an integer number (45395712).

Almost surely, 2^2504625222 is an apocalyptic number.

2504625222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2504625222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2905325568).

2504625222 is an abundant number, since it is smaller than the sum of its proper divisors (3306025914).

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

2504625222 is a wasteful number, since it uses less digits than its factorization.

2504625222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287 (or 265 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 2504625222 is about 50046.2308470878. The cubic root of 2504625222 is about 1358.0452782666.

Adding to 2504625222 its reverse (2225264052), we get a palindrome (4729889274).

It can be divided in two parts, 2504 and 625222, that added together give a palindrome (627726).

The spelling of 2504625222 in words is "two billion, five hundred four million, six hundred twenty-five thousand, two hundred twenty-two".