1702228 has 18 divisors (see below), whose sum is σ = 3275258. Its totient is φ = 773520.

The previous prime is 1702219. The next prime is 1702237. The reversal of 1702228 is 8222071.

It is an interprime number because it is at equal distance from previous prime (1702219) and next prime (1702237).

It can be written as a sum of positive squares in only one way, i.e., 1684804 + 17424 = 1298^2 + 132^2 .

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 1702199 and 1702208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1275 + ... + 2242.

2^1702228 is an apocalyptic number.

It is an amenable number.

1702228 is a deficient number, since it is larger than the sum of its proper divisors (1573030).

1702228 is a wasteful number, since it uses less digits than its factorization.

1702228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3543 (or 3530 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 1702228 is about 1304.6946002801. The cubic root of 1702228 is about 119.4004352661.

Adding to 1702228 its reverse (8222071), we get a palindrome (9924299).

The spelling of 1702228 in words is "one million, seven hundred two thousand, two hundred twenty-eight".