1855052202 has 32 divisors (see below), whose sum is σ = 3862608192. Its totient is φ = 593391744.

The previous prime is 1855052197. The next prime is 1855052203. The reversal of 1855052202 is 2022505581.

It is a self number, because there is not a number n which added to its sum of digits gives 1855052202.

It is not an unprimeable number, because it can be changed into a prime (1855052203) 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 15 ways as a sum of consecutive naturals, for example, 41028 + ... + 73439.

It is an arithmetic number, because the mean of its divisors is an integer number (120706506).

Almost surely, 2^1855052202 is an apocalyptic number.

1855052202 is an abundant number, since it is smaller than the sum of its proper divisors (2007555990).

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

1855052202 is a wasteful number, since it uses less digits than its factorization.

1855052202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114582.

The product of its (nonzero) digits is 8000, while the sum is 30.

The square root of 1855052202 is about 43070.3169479863. The cubic root of 1855052202 is about 1228.7175038692.

Adding to 1855052202 its reverse (2022505581), we get a palindrome (3877557783).

The spelling of 1855052202 in words is "one billion, eight hundred fifty-five million, fifty-two thousand, two hundred two".