1228823375 has 16 divisors (see below), whose sum is σ = 1651540800. Its totient is φ = 907437600.

The previous prime is 1228823371. The next prime is 1228823399. The reversal of 1228823375 is 5733288221.

It is not a de Polignac number, because 1228823375 - 2² = 1228823371 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1228823371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 376475 + ... + 379724.

It is an arithmetic number, because the mean of its divisors is an integer number (103221300).

Almost surely, 2^1228823375 is an apocalyptic number.

1228823375 is a deficient number, since it is larger than the sum of its proper divisors (422717425).

1228823375 is an equidigital number, since it uses as much as digits as its factorization.

1228823375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756227 (or 756217 counting only the distinct ones).

The product of its digits is 161280, while the sum is 41.

The square root of 1228823375 is about 35054.5770905883. The cubic root of 1228823375 is about 1071.0995117530.

The spelling of 1228823375 in words is "one billion, two hundred twenty-eight million, eight hundred twenty-three thousand, three hundred seventy-five".