1745228 has 6 divisors (see below), whose sum is σ = 3054156. Its totient is φ = 872612.

The previous prime is 1745213. The next prime is 1745231. The reversal of 1745228 is 8225471.

It is a self number, because there is not a number n which added to its sum of digits gives 1745228.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 218150 + ... + 218157.

It is an arithmetic number, because the mean of its divisors is an integer number (509026).

2^1745228 is an apocalyptic number.

It is an amenable number.

1745228 is a deficient number, since it is larger than the sum of its proper divisors (1308928).

1745228 is a wasteful number, since it uses less digits than its factorization.

1745228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436311 (or 436309 counting only the distinct ones).

The product of its digits is 4480, while the sum is 29.

The square root of 1745228 is about 1321.0707778162. The cubic root of 1745228 is about 120.3974782679.

The spelling of 1745228 in words is "one million, seven hundred forty-five thousand, two hundred twenty-eight".