1556132230 has 32 divisors (see below), whose sum is σ = 2977702560. Its totient is φ = 583488000.

The previous prime is 1556132209. The next prime is 1556132231. The reversal of 1556132230 is 322316551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1556132231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24436 + ... + 60904.

It is an arithmetic number, because the mean of its divisors is an integer number (93053205).

Almost surely, 2^1556132230 is an apocalyptic number.

1556132230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1556132230 is a deficient number, since it is larger than the sum of its proper divisors (1421570330).

1556132230 is a wasteful number, since it uses less digits than its factorization.

1556132230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36744.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 1556132230 is about 39447.8418928083. The cubic root of 1556132230 is about 1158.8187117297.

Adding to 1556132230 its reverse (322316551), we get a palindrome (1878448781).

The spelling of 1556132230 in words is "one billion, five hundred fifty-six million, one hundred thirty-two thousand, two hundred thirty".