2185330436 has 6 divisors (see below), whose sum is σ = 3824328270. Its totient is φ = 1092665216.

The previous prime is 2185330423. The next prime is 2185330439. The reversal of 2185330436 is 6340335812.

It can be written as a sum of positive squares in only one way, i.e., 2160390400 + 24940036 = 46480^2 + 4994^2 .

It is a super-2 number, since 2×2185330436² = 9551338229015900192, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2185330396 and 2185330405.

It is not an unprimeable number, because it can be changed into a prime (2185330439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 273166301 + ... + 273166308.

It is an arithmetic number, because the mean of its divisors is an integer number (637388045).

Almost surely, 2^2185330436 is an apocalyptic number.

It is an amenable number.

2185330436 is a deficient number, since it is larger than the sum of its proper divisors (1638997834).

2185330436 is a wasteful number, since it uses less digits than its factorization.

2185330436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546332613 (or 546332611 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 2185330436 is about 46747.5179661979. The cubic root of 2185330436 is about 1297.6942235699.

The spelling of 2185330436 in words is "two billion, one hundred eighty-five million, three hundred thirty thousand, four hundred thirty-six".