1556242234 has 8 divisors (see below), whose sum is σ = 2457224640. Its totient is φ = 737167356.

The previous prime is 1556242211. The next prime is 1556242267. The reversal of 1556242234 is 4322426551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1556242234.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20476834 + ... + 20476909.

It is an arithmetic number, because the mean of its divisors is an integer number (307153080).

Almost surely, 2^1556242234 is an apocalyptic number.

1556242234 is a deficient number, since it is larger than the sum of its proper divisors (900982406).

1556242234 is a wasteful number, since it uses less digits than its factorization.

1556242234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40953764.

The product of its digits is 57600, while the sum is 34.

The square root of 1556242234 is about 39449.2361649754. The cubic root of 1556242234 is about 1158.8460169692.

Adding to 1556242234 its reverse (4322426551), we get a palindrome (5878668785).

The spelling of 1556242234 in words is "one billion, five hundred fifty-six million, two hundred forty-two thousand, two hundred thirty-four".