1228375038 has 16 divisors (see below), whose sum is σ = 2680091136. Its totient is φ = 372234840.

The previous prime is 1228375021. The next prime is 1228375039. The reversal of 1228375038 is 8305738221.

It is a junction number, because it is equal to n+sod(n) for n = 1228374987 and 1228375005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1228375039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9305806 + ... + 9305937.

It is an arithmetic number, because the mean of its divisors is an integer number (167505696).

Almost surely, 2^1228375038 is an apocalyptic number.

1228375038 is an abundant number, since it is smaller than the sum of its proper divisors (1451716098).

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

1228375038 is a wasteful number, since it uses less digits than its factorization.

1228375038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18611759.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 1228375038 is about 35048.1816646741. The cubic root of 1228375038 is about 1070.9692321252.

The spelling of 1228375038 in words is "one billion, two hundred twenty-eight million, three hundred seventy-five thousand, thirty-eight".