2213166729 has 16 divisors (see below), whose sum is σ = 3035843712. Its totient is φ = 1433104128.

The previous prime is 2213166727. The next prime is 2213166731. The reversal of 2213166729 is 9276613122.

2213166729 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2213166727) and next prime (2213166731).

It is not a de Polignac number, because 2213166729 - 2¹ = 2213166727 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2213166727) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49012 + ... + 82634.

It is an arithmetic number, because the mean of its divisors is an integer number (189740232).

Almost surely, 2^2213166729 is an apocalyptic number.

It is an amenable number.

2213166729 is a deficient number, since it is larger than the sum of its proper divisors (822676983).

2213166729 is a wasteful number, since it uses less digits than its factorization.

2213166729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34256.

The product of its digits is 54432, while the sum is 39.

The square root of 2213166729 is about 47044.3060210266. The cubic root of 2213166729 is about 1303.1809143534.

The spelling of 2213166729 in words is "two billion, two hundred thirteen million, one hundred sixty-six thousand, seven hundred twenty-nine".