2215434516 has 12 divisors (see below), whose sum is σ = 5169347232. Its totient is φ = 738478168.

The previous prime is 2215434511. The next prime is 2215434517. The reversal of 2215434516 is 6154345122.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2215434511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92309760 + ... + 92309783.

It is an arithmetic number, because the mean of its divisors is an integer number (430778936).

Almost surely, 2^2215434516 is an apocalyptic number.

It is an amenable number.

2215434516 is an abundant number, since it is smaller than the sum of its proper divisors (2953912716).

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

2215434516 is a wasteful number, since it uses less digits than its factorization.

2215434516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184619550 (or 184619548 counting only the distinct ones).

The product of its digits is 28800, while the sum is 33.

The square root of 2215434516 is about 47068.4025222866. The cubic root of 2215434516 is about 1303.6258767456.

Adding to 2215434516 its reverse (6154345122), we get a palindrome (8369779638).

The spelling of 2215434516 in words is "two billion, two hundred fifteen million, four hundred thirty-four thousand, five hundred sixteen".