1097228 has 18 divisors (see below), whose sum is σ = 2111508. Its totient is φ = 498520.

The previous prime is 1097221. The next prime is 1097237. The reversal of 1097228 is 8227901.

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 1097228.

It is not an unprimeable number, because it can be changed into a prime (1097221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 650 + ... + 1617.

It is an arithmetic number, because the mean of its divisors is an integer number (117306).

2^1097228 is an apocalyptic number.

It is an amenable number.

1097228 is a deficient number, since it is larger than the sum of its proper divisors (1014280).

1097228 is a wasteful number, since it uses less digits than its factorization.

1097228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2293 (or 2280 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 1097228 is about 1047.4865154263. The cubic root of 1097228 is about 103.1412270761.

It can be divided in two parts, 109 and 7228, that added together give a palindrome (7337).

The spelling of 1097228 in words is "one million, ninety-seven thousand, two hundred twenty-eight".