1225545576 has 32 divisors (see below), whose sum is σ = 3066897600. Its totient is φ = 408110720.

The previous prime is 1225545569. The next prime is 1225545577. The reversal of 1225545576 is 6755455221.

It is not an unprimeable number, because it can be changed into a prime (1225545577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21 + ... + 49508.

It is an arithmetic number, because the mean of its divisors is an integer number (95840550).

Almost surely, 2^1225545576 is an apocalyptic number.

It is an amenable number.

1225545576 is an abundant number, since it is smaller than the sum of its proper divisors (1841352024).

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

1225545576 is a wasteful number, since it uses less digits than its factorization.

1225545576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50569 (or 50565 counting only the distinct ones).

The product of its digits is 420000, while the sum is 42.

The square root of 1225545576 is about 35007.7930752568. The cubic root of 1225545576 is about 1070.1463031089.

The spelling of 1225545576 in words is "one billion, two hundred twenty-five million, five hundred forty-five thousand, five hundred seventy-six".