1375228 has 12 divisors (see below), whose sum is σ = 2434320. Its totient is φ = 679712.

The previous prime is 1375223. The next prime is 1375237. The reversal of 1375228 is 8225731.

It is a junction number, because it is equal to n+sod(n) for n = 1375196 and 1375205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1375223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1576 + ... + 2287.

It is an arithmetic number, because the mean of its divisors is an integer number (202860).

2^1375228 is an apocalyptic number.

It is an amenable number.

1375228 is a deficient number, since it is larger than the sum of its proper divisors (1059092).

1375228 is a wasteful number, since it uses less digits than its factorization.

1375228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3956 (or 3954 counting only the distinct ones).

The product of its digits is 3360, while the sum is 28.

The square root of 1375228 is about 1172.7011554527. The cubic root of 1375228 is about 111.2051504610.

The spelling of 1375228 in words is "one million, three hundred seventy-five thousand, two hundred twenty-eight".