1395797228 has 48 divisors (see below), whose sum is σ = 3066309120. Its totient is φ = 542070144.

The previous prime is 1395797219. The next prime is 1395797239. The reversal of 1395797228 is 8227975931.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1395797228.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44801 + ... + 69272.

It is an arithmetic number, because the mean of its divisors is an integer number (63881440).

Almost surely, 2^1395797228 is an apocalyptic number.

It is an amenable number.

1395797228 is an abundant number, since it is smaller than the sum of its proper divisors (1670511892).

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

1395797228 is a wasteful number, since it uses less digits than its factorization.

1395797228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114126 (or 114124 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 53.

The square root of 1395797228 is about 37360.3697519176. The cubic root of 1395797228 is about 1117.5683927666.

The spelling of 1395797228 in words is "one billion, three hundred ninety-five million, seven hundred ninety-seven thousand, two hundred twenty-eight".