1395228 has 12 divisors (see below), whose sum is σ = 3255560. Its totient is φ = 465072.

The previous prime is 1395223. The next prime is 1395263. The reversal of 1395228 is 8225931.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1395228² = 3893322343968, which contains 22 as substring.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1395195 and 1395204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1395223) 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, 58123 + ... + 58146.

2^1395228 is an apocalyptic number.

It is an amenable number.

1395228 is an abundant number, since it is smaller than the sum of its proper divisors (1860332).

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

1395228 is a wasteful number, since it uses less digits than its factorization.

1395228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116276 (or 116274 counting only the distinct ones).

The product of its digits is 4320, while the sum is 30.

The square root of 1395228 is about 1181.1976972548. The cubic root of 1395228 is about 111.7416451471.

The spelling of 1395228 in words is "one million, three hundred ninety-five thousand, two hundred twenty-eight".