1005225250 has 64 divisors (see below), whose sum is σ = 1952327520. Its totient is φ = 387244800.

The previous prime is 1005225223. The next prime is 1005225269. The reversal of 1005225250 is 525225001.

1005225250 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 16 ways, for example, as 97950609 + 907274641 = 9897^2 + 30121^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1007752 + ... + 1008748.

Almost surely, 2^1005225250 is an apocalyptic number.

1005225250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1005225250 is a deficient number, since it is larger than the sum of its proper divisors (947102270).

1005225250 is a wasteful number, since it uses less digits than its factorization.

1005225250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1160 (or 1150 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 1005225250 is about 31705.2874139314. The cubic root of 1005225250 is about 1001.7387250829.

The spelling of 1005225250 in words is "one billion, five million, two hundred twenty-five thousand, two hundred fifty".