1097226 has 40 divisors (see below), whose sum is σ = 2652804. Its totient is φ = 336960.

The previous prime is 1097221. The next prime is 1097237. The reversal of 1097226 is 6227901.

It can be written as a sum of positive squares in 2 ways, for example, as 998001 + 99225 = 999^2 + 315^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 1097226.

It is a congruent number.

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 19 ways as a sum of consecutive naturals, for example, 1846 + ... + 2366.

2^1097226 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1097226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1326402).

1097226 is an abundant number, since it is smaller than the sum of its proper divisors (1555578).

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

1097226 is a wasteful number, since it uses less digits than its factorization.

1097226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548 (or 539 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 1097226 is about 1047.4855607597. The cubic root of 1097226 is about 103.1411644083.

The spelling of 1097226 in words is "one million, ninety-seven thousand, two hundred twenty-six".