2213512738 has 8 divisors (see below), whose sum is σ = 3325450860. Its totient is φ = 1105029120.

The previous prime is 2213512729. The next prime is 2213512739. The reversal of 2213512738 is 8372153122.

It can be written as a sum of positive squares in 2 ways, for example, as 1879829449 + 333683289 = 43357^2 + 18267^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2213512739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 862023 + ... + 864586.

Almost surely, 2^2213512738 is an apocalyptic number.

2213512738 is a deficient number, since it is larger than the sum of its proper divisors (1111938122).

2213512738 is a wasteful number, since it uses less digits than its factorization.

2213512738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1727252.

The product of its digits is 20160, while the sum is 34.

The square root of 2213512738 is about 47047.9833574193. The cubic root of 2213512738 is about 1303.2488244093.

The spelling of 2213512738 in words is "two billion, two hundred thirteen million, five hundred twelve thousand, seven hundred thirty-eight".