1052443220 has 24 divisors (see below), whose sum is σ = 2224214664. Its totient is φ = 418294656.

The previous prime is 1052443201. The next prime is 1052443243. The reversal of 1052443220 is 223442501.

It is a happy number.

1052443220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 288252484 + 764190736 = 16978^2 + 27644^2 .

It is a super-2 number, since 2×1052443220² = 2215273462647936800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164447 + ... + 170726.

It is an arithmetic number, because the mean of its divisors is an integer number (92675611).

Almost surely, 2^1052443220 is an apocalyptic number.

1052443220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1052443220 is an abundant number, since it is smaller than the sum of its proper divisors (1171771444).

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

1052443220 is a wasteful number, since it uses less digits than its factorization.

1052443220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335339 (or 335337 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 1052443220 is about 32441.3812899513. The cubic root of 1052443220 is about 1017.1840889729.

Adding to 1052443220 its reverse (223442501), we get a palindrome (1275885721).

The spelling of 1052443220 in words is "one billion, fifty-two million, four hundred forty-three thousand, two hundred twenty".