1023228 has 36 divisors (see below), whose sum is σ = 2650648. Its totient is φ = 332640.

The previous prime is 1023227. The next prime is 1023229. The reversal of 1023228 is 8223201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1023227) and next prime (1023229).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 1023228.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1218 + ... + 1878.

2^1023228 is an apocalyptic number.

1023228 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1023228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1325324).

1023228 is an abundant number, since it is smaller than the sum of its proper divisors (1627420).

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

1023228 is a wasteful number, since it uses less digits than its factorization.

1023228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714 (or 709 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1023228 is about 1011.5473295897. The cubic root of 1023228 is about 100.7683479608.

Adding to 1023228 its reverse (8223201), we get a palindrome (9246429).

The spelling of 1023228 in words is "one million, twenty-three thousand, two hundred twenty-eight".