1557225248 has 48 divisors (see below), whose sum is σ = 3115647360. Its totient is φ = 766022400.

The previous prime is 1557225233. The next prime is 1557225251. The reversal of 1557225248 is 8425227551.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 835838 + ... + 837698.

It is an arithmetic number, because the mean of its divisors is an integer number (64909320).

Almost surely, 2^1557225248 is an apocalyptic number.

It is an amenable number.

1557225248 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

1557225248 is a wasteful number, since it uses less digits than its factorization.

1557225248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2281 (or 2273 counting only the distinct ones).

The product of its digits is 224000, while the sum is 41.

The square root of 1557225248 is about 39461.6934253967. The cubic root of 1557225248 is about 1159.0899640155.

The spelling of 1557225248 in words is "one billion, five hundred fifty-seven million, two hundred twenty-five thousand, two hundred forty-eight".