1033251228 has 120 divisors (see below), whose sum is σ = 2881494000. Its totient is φ = 321725952.

The previous prime is 1033251227. The next prime is 1033251239. The reversal of 1033251228 is 8221523301.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1033251223) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 820063 + ... + 821321.

It is an arithmetic number, because the mean of its divisors is an integer number (24012450).

Almost surely, 2^1033251228 is an apocalyptic number.

1033251228 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 1033251228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1440747000).

1033251228 is an abundant number, since it is smaller than the sum of its proper divisors (1848242772).

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

1033251228 is a wasteful number, since it uses less digits than its factorization.

1033251228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1441 (or 1430 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1033251228 is about 32144.2254223056. The cubic root of 1033251228 is about 1010.9631135887.

Adding to 1033251228 its reverse (8221523301), we get a palindrome (9254774529).

The spelling of 1033251228 in words is "one billion, thirty-three million, two hundred fifty-one thousand, two hundred twenty-eight".