4251222500 has 60 divisors (see below), whose sum is σ = 10624699008. Its totient is φ = 1457556000.

The previous prime is 4251222449. The next prime is 4251222523. The reversal of 4251222500 is 52221524.

4251222500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 103964 + ... + 138963.

Almost surely, 2^4251222500 is an apocalyptic number.

It is an amenable number.

4251222500 is an abundant number, since it is smaller than the sum of its proper divisors (6373476508).

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

4251222500 is a wasteful number, since it uses less digits than its factorization.

4251222500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242958 (or 242941 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 4251222500 is about 65201.3995248568. The cubic root of 4251222500 is about 1619.9611965506.

It can be divided in two parts, 4 and 251222500, that multiplied together give a square (1004890000 = 31700²).

The spelling of 4251222500 in words is "four billion, two hundred fifty-one million, two hundred twenty-two thousand, five hundred".