2499219225 has 96 divisors (see below), whose sum is σ = 4799692800. Its totient is φ = 1273492800.

The previous prime is 2499219199. The next prime is 2499219323. The reversal of 2499219225 is 5229129942.

It is a happy number.

It is not a de Polignac number, because 2499219225 - 2⁷ = 2499219097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

Together with 2300473575 it forms an amicable pair .

It is a Curzon 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 95 ways as a sum of consecutive naturals, for example, 1736056 + ... + 1737494.

It is an arithmetic number, because the mean of its divisors is an integer number (49996800).

Almost surely, 2^2499219225 is an apocalyptic number.

2499219225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2499219225 is a deficient number, since it is larger than the sum of its proper divisors (2300473575).

2499219225 is a wasteful number, since it uses less digits than its factorization.

2499219225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1572 (or 1561 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 2499219225 is about 49992.1916402952. The cubic root of 2499219225 is about 1357.0675036252.

The spelling of 2499219225 in words is "two billion, four hundred ninety-nine million, two hundred nineteen thousand, two hundred twenty-five".