1822135603 has 8 divisors (see below), whose sum is σ = 1845144000. Its totient is φ = 1799152488.

The previous prime is 1822135561. The next prime is 1822135619. The reversal of 1822135603 is 3065312281.

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

It is not a de Polignac number, because 1822135603 - 2²⁹ = 1285264691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1822135643) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 168988 + ... + 179446.

It is an arithmetic number, because the mean of its divisors is an integer number (230643000).

Almost surely, 2^1822135603 is an apocalyptic number.

1822135603 is a deficient number, since it is larger than the sum of its proper divisors (23008397).

1822135603 is a wasteful number, since it uses less digits than its factorization.

1822135603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12641.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 1822135603 is about 42686.4803304278. The cubic root of 1822135603 is about 1221.4065125240.

Adding to 1822135603 its reverse (3065312281), we get a palindrome (4887447884).

It can be divided in two parts, 18221 and 35603, that added together give a square (53824 = 232²).

The spelling of 1822135603 in words is "one billion, eight hundred twenty-two million, one hundred thirty-five thousand, six hundred three".