2209938634 has 4 divisors (see below), whose sum is σ = 3314907954. Its totient is φ = 1104969316.

The previous prime is 2209938629. The next prime is 2209938641. The reversal of 2209938634 is 4368399022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1714208409 + 495730225 = 41403^2 + 22265^2 .

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 as a sum of consecutive naturals, namely, 552484657 + ... + 552484660.

Almost surely, 2^2209938634 is an apocalyptic number.

2209938634 is a deficient number, since it is larger than the sum of its proper divisors (1104969320).

2209938634 is a wasteful number, since it uses less digits than its factorization.

2209938634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104969319.

The product of its (nonzero) digits is 559872, while the sum is 46.

The square root of 2209938634 is about 47009.9844075703. The cubic root of 2209938634 is about 1302.5470053758.

The spelling of 2209938634 in words is "two billion, two hundred nine million, nine hundred thirty-eight thousand, six hundred thirty-four".