1052221160 has 16 divisors (see below), whose sum is σ = 2367497700. Its totient is φ = 420888448.

The previous prime is 1052221153. The next prime is 1052221169. The reversal of 1052221160 is 611222501.

It can be written as a sum of positive squares in 2 ways, for example, as 998433604 + 53787556 = 31598^2 + 7334^2 .

It is a super-2 number, since 2×1052221160² = 2214338739103491200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (1052221169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13152725 + ... + 13152804.

Almost surely, 2^1052221160 is an apocalyptic number.

1052221160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1052221160 is an abundant number, since it is smaller than the sum of its proper divisors (1315276540).

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

1052221160 is a wasteful number, since it uses less digits than its factorization.

1052221160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26305540 (or 26305536 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1052221160 is about 32437.9586287423. The cubic root of 1052221160 is about 1017.1125437714.

Adding to 1052221160 its reverse (611222501), we get a palindrome (1663443661).

The spelling of 1052221160 in words is "one billion, fifty-two million, two hundred twenty-one thousand, one hundred sixty".