1033221444 has 96 divisors (see below), whose sum is σ = 2774016000. Its totient is φ = 297146880.

The previous prime is 1033221437. The next prime is 1033221493. The reversal of 1033221444 is 4441223301.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 115857 + ... + 124455.

It is an arithmetic number, because the mean of its divisors is an integer number (28896000).

Almost surely, 2^1033221444 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 1033221444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1387008000).

1033221444 is an abundant number, since it is smaller than the sum of its proper divisors (1740794556).

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

1033221444 is a wasteful number, since it uses less digits than its factorization.

1033221444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8673 (or 8671 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 1033221444 is about 32143.7621320218. The cubic root of 1033221444 is about 1010.9533996509.

Adding to 1033221444 its reverse (4441223301), we get a palindrome (5474444745).

The spelling of 1033221444 in words is "one billion, thirty-three million, two hundred twenty-one thousand, four hundred forty-four".