7098228 has 54 divisors (see below), whose sum is σ = 18683574. Its totient is φ = 2270592.

The previous prime is 7098227. The next prime is 7098233. The reversal of 7098228 is 8228907.

It can be written as a sum of positive squares in 3 ways, for example, as 2862864 + 4235364 = 1692^2 + 2058^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 7098192 and 7098201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7098227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 97200 + ... + 97272.

Almost surely, 2^7098228 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7098228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9341787).

7098228 is an abundant number, since it is smaller than the sum of its proper divisors (11585346).

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

7098228 is a wasteful number, since it uses less digits than its factorization.

7098228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193 (or 115 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 7098228 is about 2664.2499882706. The cubic root of 7098228 is about 192.1837433729.

The spelling of 7098228 in words is "seven million, ninety-eight thousand, two hundred twenty-eight".