1228288975 has 12 divisors (see below), whose sum is σ = 1572210880. Its totient is φ = 950932800.

The previous prime is 1228288961. The next prime is 1228288979. The reversal of 1228288975 is 5798828221.

It is not a de Polignac number, because 1228288975 - 2¹⁵ = 1228256207 is a prime.

It is a super-2 number, since 2×1228288975² = 3017387612213101250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1228288979) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 791670 + ... + 793219.

Almost surely, 2^1228288975 is an apocalyptic number.

1228288975 is a deficient number, since it is larger than the sum of its proper divisors (343921905).

1228288975 is a wasteful number, since it uses less digits than its factorization.

1228288975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1584930 (or 1584925 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 52.

The square root of 1228288975 is about 35046.9538619264. The cubic root of 1228288975 is about 1070.9442199547.

The spelling of 1228288975 in words is "one billion, two hundred twenty-eight million, two hundred eighty-eight thousand, nine hundred seventy-five".