1005225432 has 16 divisors (see below), whose sum is σ = 2513063640. Its totient is φ = 335075136.

The previous prime is 1005225407. The next prime is 1005225443. The reversal of 1005225432 is 2345225001.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 41884393 = 1005225432 / (1 + 0 + 0 + 5 + 2 + 2 + 5 + 4 + 3 + 2).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20942173 + ... + 20942220.

Almost surely, 2^1005225432 is an apocalyptic number.

1005225432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1005225432 is an abundant number, since it is smaller than the sum of its proper divisors (1507838208).

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

1005225432 is a wasteful number, since it uses less digits than its factorization.

1005225432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41884402 (or 41884398 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 1005225432 is about 31705.2902841150. The cubic root of 1005225432 is about 1001.7387855392.

The spelling of 1005225432 in words is "one billion, five million, two hundred twenty-five thousand, four hundred thirty-two".