1020228 has 48 divisors (see below), whose sum is σ = 2661120. Its totient is φ = 301600.

The previous prime is 1020223. The next prime is 1020233. The reversal of 1020228 is 8220201.

It is an interprime number because it is at equal distance from previous prime (1020223) and next prime (1020233).

It is not an unprimeable number, because it can be changed into a prime (1020223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7723 + ... + 7853.

It is an arithmetic number, because the mean of its divisors is an integer number (55440).

2^1020228 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 1020228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1330560).

1020228 is an abundant number, since it is smaller than the sum of its proper divisors (1640892).

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

1020228 is a wasteful number, since it uses less digits than its factorization.

1020228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208 (or 206 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1020228 is about 1010.0633643490. The cubic root of 1020228 is about 100.6697707233.

Adding to 1020228 its reverse (8220201), we get a palindrome (9240429).

The spelling of 1020228 in words is "one million, twenty thousand, two hundred twenty-eight".