1025557224 has 128 divisors (see below), whose sum is σ = 2786150400. Its totient is φ = 313528320.

The previous prime is 1025557219. The next prime is 1025557241. The reversal of 1025557224 is 4227555201.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 3784209 + ... + 3784479.

It is an arithmetic number, because the mean of its divisors is an integer number (21766800).

Almost surely, 2^1025557224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1025557224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1393075200).

1025557224 is an abundant number, since it is smaller than the sum of its proper divisors (1760593176).

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

1025557224 is a wasteful number, since it uses less digits than its factorization.

1025557224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535 (or 531 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 33.

The square root of 1025557224 is about 32024.3223815899. The cubic root of 1025557224 is about 1008.4475132471.

The spelling of 1025557224 in words is "one billion, twenty-five million, five hundred fifty-seven thousand, two hundred twenty-four".