1022443552 has 24 divisors (see below), whose sum is σ = 2167777836. Its totient is φ = 471896832.

The previous prime is 1022443537. The next prime is 1022443553. The reversal of 1022443552 is 2553442201.

It can be written as a sum of positive squares in 2 ways, for example, as 763748496 + 258695056 = 27636^2 + 16084^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1022443552.

It is not an unprimeable number, because it can be changed into a prime (1022443553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1228483 + ... + 1229314.

Almost surely, 2^1022443552 is an apocalyptic number.

It is an amenable number.

1022443552 is an abundant number, since it is smaller than the sum of its proper divisors (1145334284).

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

1022443552 is a wasteful number, since it uses less digits than its factorization.

1022443552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2457820 (or 2457812 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 1022443552 is about 31975.6712517501. The cubic root of 1022443552 is about 1007.4259034597.

Adding to 1022443552 its reverse (2553442201), we get a palindrome (3575885753).

The spelling of 1022443552 in words is "one billion, twenty-two million, four hundred forty-three thousand, five hundred fifty-two".