2500122556 has 12 divisors (see below), whose sum is σ = 4389194992. Its totient is φ = 1246066848.

The previous prime is 2500122533. The next prime is 2500122557. The reversal of 2500122556 is 6552210052.

2500122556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2500122556² = 12501225590039946272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2500122557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 997200 + ... + 999703.

Almost surely, 2^2500122556 is an apocalyptic number.

It is an amenable number.

2500122556 is a deficient number, since it is larger than the sum of its proper divisors (1889072436).

2500122556 is a wasteful number, since it uses less digits than its factorization.

2500122556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1997220 (or 1997218 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 2500122556 is about 50001.2255449804. The cubic root of 2500122556 is about 1357.2309858128.

The spelling of 2500122556 in words is "two billion, five hundred million, one hundred twenty-two thousand, five hundred fifty-six".