2505221251224 has 32 divisors (see below), whose sum is σ = 6271886814000. Its totient is φ = 833895925632.

The previous prime is 2505221251217. The next prime is 2505221251241. The reversal of 2505221251224 is 4221521225052.

It is a super-2 number, since 2×2505221251224² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73596679 + ... + 73630710.

Almost surely, 2^{2505221251224} is an apocalyptic number.

2505221251224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2505221251224 is an abundant number, since it is smaller than the sum of its proper divisors (3766665562776).

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

2505221251224 is a wasteful number, since it uses less digits than its factorization.

2505221251224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147228107 (or 147228103 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 33.

Adding to 2505221251224 its reverse (4221521225052), we get a palindrome (6726742476276).

The spelling of 2505221251224 in words is "two trillion, five hundred five billion, two hundred twenty-one million, two hundred fifty-one thousand, two hundred twenty-four".