2201864634 has 20 divisors (see below), whose sum is σ = 4933808154. Its totient is φ = 733954824.

The previous prime is 2201864603. The next prime is 2201864641. The reversal of 2201864634 is 4364681022.

2201864634 is a `hidden beast` number, since 2 + 2 + 0 + 1 + 8 + 646 + 3 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1879482609 + 322382025 = 43353^2 + 17955^2 .

It is a Curzon number.

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 9 ways as a sum of consecutive naturals, for example, 6795717 + ... + 6796040.

Almost surely, 2^2201864634 is an apocalyptic number.

2201864634 is an abundant number, since it is smaller than the sum of its proper divisors (2731943520).

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

2201864634 is a wasteful number, since it uses less digits than its factorization.

2201864634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13591771 (or 13591762 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 2201864634 is about 46924.0304534894. The cubic root of 2201864634 is about 1300.9587865797.

The spelling of 2201864634 in words is "two billion, two hundred one million, eight hundred sixty-four thousand, six hundred thirty-four".