2212682985 has 12 divisors (see below), whose sum is σ = 3835317252. Its totient is φ = 1180097568.

The previous prime is 2212682947. The next prime is 2212682987. The reversal of 2212682985 is 5892862122.

It can be written as a sum of positive squares in 2 ways, for example, as 1529435664 + 683247321 = 39108^2 + 26139^2 .

It is not a de Polignac number, because 2212682985 - 2⁸ = 2212682729 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 49170733 = 2212682985 / (2 + 2 + 1 + 2 + 6 + 8 + 2 + 9 + 8 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 2212682985.

It is not an unprimeable number, because it can be changed into a prime (2212682987) 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 11 ways as a sum of consecutive naturals, for example, 24585322 + ... + 24585411.

It is an arithmetic number, because the mean of its divisors is an integer number (319609771).

Almost surely, 2^2212682985 is an apocalyptic number.

It is an amenable number.

2212682985 is a deficient number, since it is larger than the sum of its proper divisors (1622634267).

2212682985 is a wasteful number, since it uses less digits than its factorization.

2212682985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49170744 (or 49170741 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 2212682985 is about 47039.1643739555. The cubic root of 2212682985 is about 1303.0859596330.

It can be divided in two parts, 22126 and 82985, that added together give a triangular number (105111 = T₄₅₈).

The spelling of 2212682985 in words is "two billion, two hundred twelve million, six hundred eighty-two thousand, nine hundred eighty-five".