1133220530 has 32 divisors (see below), whose sum is σ = 2272460400. Its totient is φ = 403990272.

The previous prime is 1133220481. The next prime is 1133220541. The reversal of 1133220530 is 350223311.

It can be written as a sum of positive squares in 8 ways, for example, as 395174641 + 738045889 = 19879^2 + 27167^2 .

It is a super-2 number, since 2×1133220530² = 2568377539226961800, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146525 + ... + 154064.

Almost surely, 2^1133220530 is an apocalyptic number.

1133220530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1133220530 is an abundant number, since it is smaller than the sum of its proper divisors (1139239870).

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

1133220530 is a wasteful number, since it uses less digits than its factorization.

1133220530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300638.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 1133220530 is about 33663.3410403662. The cubic root of 1133220530 is about 1042.5690093813.

Adding to 1133220530 its reverse (350223311), we get a palindrome (1483443841).

The spelling of 1133220530 in words is "one billion, one hundred thirty-three million, two hundred twenty thousand, five hundred thirty".