2501222120 has 16 divisors (see below), whose sum is σ = 5627749860. Its totient is φ = 1000488832.

The previous prime is 2501222099. The next prime is 2501222159. The reversal of 2501222120 is 212221052.

2501222120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2209564036 + 291658084 = 47006^2 + 17078^2 .

It is a super-2 number, since 2×2501222120² = 12512224187154588800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31265237 + ... + 31265316.

Almost surely, 2^2501222120 is an apocalyptic number.

2501222120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2501222120 is an abundant number, since it is smaller than the sum of its proper divisors (3126527740).

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

2501222120 is a wasteful number, since it uses less digits than its factorization.

2501222120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62530564 (or 62530560 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 2501222120 is about 50012.2197067877. The cubic root of 2501222120 is about 1357.4299285405.

Adding to 2501222120 its reverse (212221052), we get a palindrome (2713443172).

The spelling of 2501222120 in words is "two billion, five hundred one million, two hundred twenty-two thousand, one hundred twenty".