1045220530 has 16 divisors (see below), whose sum is σ = 1882603800. Its totient is φ = 417820032.

The previous prime is 1045220513. The next prime is 1045220531. The reversal of 1045220530 is 350225401.

It can be written as a sum of positive squares in 4 ways, for example, as 760049761 + 285170769 = 27569^2 + 16887^2 .

It is not an unprimeable number, because it can be changed into a prime (1045220531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16755 + ... + 48694.

Almost surely, 2^1045220530 is an apocalyptic number.

1045220530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1045220530 is a deficient number, since it is larger than the sum of its proper divisors (837383270).

1045220530 is a wasteful number, since it uses less digits than its factorization.

1045220530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67053.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 1045220530 is about 32329.8705534062. The cubic root of 1045220530 is about 1014.8518408315.

Adding to 1045220530 its reverse (350225401), we get a palindrome (1395445931).

The spelling of 1045220530 in words is "one billion, forty-five million, two hundred twenty thousand, five hundred thirty".