1597228 has 12 divisors (see below), whose sum is σ = 2804760. Its totient is φ = 795872.

The previous prime is 1597187. The next prime is 1597229. The reversal of 1597228 is 8227951.

It is a super-2 number, since 2×1597228² = 5102274567968, which contains 22 as substring.

It is a d-powerful number, because it can be written as 1 + 5⁶ + 9⁶ + 7² + 2¹⁰ + 2²⁰ + 8³ .

It is a junction number, because it is equal to n+sod(n) for n = 1597193 and 1597202.

It is not an unprimeable number, because it can be changed into a prime (1597229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1200 + ... + 2152.

It is an arithmetic number, because the mean of its divisors is an integer number (233730).

2^1597228 is an apocalyptic number.

It is an amenable number.

1597228 is a deficient number, since it is larger than the sum of its proper divisors (1207532).

1597228 is a wasteful number, since it uses less digits than its factorization.

1597228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1376 (or 1374 counting only the distinct ones).

The product of its digits is 10080, while the sum is 34.

The square root of 1597228 is about 1263.8148598588. The cubic root of 1597228 is about 116.8931256740.

The spelling of 1597228 in words is "one million, five hundred ninety-seven thousand, two hundred twenty-eight".