2501222250 has 32 divisors (see below), whose sum is σ = 6243052608. Its totient is φ = 666992400.

The previous prime is 2501222231. The next prime is 2501222267. The reversal of 2501222250 is 522221052.

It is a super-2 number, since 2×2501222250² = 12512225487790125000, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 1666732 + ... + 1668231.

It is an arithmetic number, because the mean of its divisors is an integer number (195095394).

Almost surely, 2^2501222250 is an apocalyptic number.

2501222250 is an abundant number, since it is smaller than the sum of its proper divisors (3741830358).

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

2501222250 is a wasteful number, since it uses less digits than its factorization.

2501222250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3334983 (or 3334973 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 2501222250 is about 50012.2210064700. The cubic root of 2501222250 is about 1357.4299520578.

The spelling of 2501222250 in words is "two billion, five hundred one million, two hundred twenty-two thousand, two hundred fifty".