1225570750 has 32 divisors (see below), whose sum is σ = 2317966560. Its totient is φ = 485164800.

The previous prime is 1225570747. The next prime is 1225570763. The reversal of 1225570750 is 570755221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1020 + ... + 49519.

It is an arithmetic number, because the mean of its divisors is an integer number (72436455).

Almost surely, 2^1225570750 is an apocalyptic number.

1225570750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1225570750 is a deficient number, since it is larger than the sum of its proper divisors (1092395810).

1225570750 is an equidigital number, since it uses as much as digits as its factorization.

1225570750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50653 (or 50643 counting only the distinct ones).

The product of its (nonzero) digits is 24500, while the sum is 34.

The square root of 1225570750 is about 35008.1526219251. The cubic root of 1225570750 is about 1070.1536303703.

The spelling of 1225570750 in words is "one billion, two hundred twenty-five million, five hundred seventy thousand, seven hundred fifty".