1330221042 has 40 divisors (see below), whose sum is σ = 3000739500. Its totient is φ = 440423136.

The previous prime is 1330221023. The next prime is 1330221073. The reversal of 1330221042 is 2401220331.

It can be written as a sum of positive squares in 2 ways, for example, as 1329258681 + 962361 = 36459^2 + 981^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3417 + ... + 51692.

Almost surely, 2^1330221042 is an apocalyptic number.

1330221042 is an abundant number, since it is smaller than the sum of its proper divisors (1670518458).

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

1330221042 is a wasteful number, since it uses less digits than its factorization.

1330221042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55272 (or 55263 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1330221042 is about 36472.1954644905. The cubic root of 1330221042 is about 1099.7853691435.

Adding to 1330221042 its reverse (2401220331), we get a palindrome (3731441373).

The spelling of 1330221042 in words is "one billion, three hundred thirty million, two hundred twenty-one thousand, forty-two".