1005137228 has 12 divisors (see below), whose sum is σ = 1759939440. Its totient is φ = 502297392.

The previous prime is 1005137207. The next prime is 1005137233. The reversal of 1005137228 is 8227315001.

It is a super-2 number, since 2×1005137228² = 2020601694223047968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1005137228.

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, 59351 + ... + 74382.

It is an arithmetic number, because the mean of its divisors is an integer number (146661620).

Almost surely, 2^1005137228 is an apocalyptic number.

It is an amenable number.

1005137228 is a deficient number, since it is larger than the sum of its proper divisors (754802212).

1005137228 is a wasteful number, since it uses less digits than its factorization.

1005137228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135616 (or 135614 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 1005137228 is about 31703.8992554544. The cubic root of 1005137228 is about 1001.7094853280.

The spelling of 1005137228 in words is "one billion, five million, one hundred thirty-seven thousand, two hundred twenty-eight".