17242228 has 12 divisors (see below), whose sum is σ = 30328452. Its totient is φ = 8576960.

The previous prime is 17242223. The next prime is 17242229. The reversal of 17242228 is 82224271.

It can be written as a sum of positive squares in 2 ways, for example, as 8133904 + 9108324 = 2852^2 + 3018^2 .

It is a junction number, because it is equal to n+sod(n) for n = 17242196 and 17242205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17242223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10153 + ... + 11728.

It is an arithmetic number, because the mean of its divisors is an integer number (2527371).

Almost surely, 2^17242228 is an apocalyptic number.

It is an amenable number.

17242228 is a deficient number, since it is larger than the sum of its proper divisors (13086224).

17242228 is a wasteful number, since it uses less digits than its factorization.

17242228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22082 (or 22080 counting only the distinct ones).

The product of its digits is 3584, while the sum is 28.

The square root of 17242228 is about 4152.3761871969. The cubic root of 17242228 is about 258.3436519870.

Adding to 17242228 its reverse (82224271), we get a palindrome (99466499).

The spelling of 17242228 in words is "seventeen million, two hundred forty-two thousand, two hundred twenty-eight".