2215632473 has 8 divisors (see below), whose sum is σ = 2229178728. Its totient is φ = 2202107904.

The previous prime is 2215632439. The next prime is 2215632521. The reversal of 2215632473 is 3742365122.

2215632473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 162001984 + 2053630489 = 12728^2 + 45317^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2215632473 - 2¹⁴ = 2215616089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2215632373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230165 + ... + 239597.

It is an arithmetic number, because the mean of its divisors is an integer number (278647341).

Almost surely, 2^2215632473 is an apocalyptic number.

It is an amenable number.

2215632473 is a deficient number, since it is larger than the sum of its proper divisors (13546255).

2215632473 is a wasteful number, since it uses less digits than its factorization.

2215632473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10843.

The product of its digits is 60480, while the sum is 35.

The square root of 2215632473 is about 47070.5053403934. The cubic root of 2215632473 is about 1303.6647034678.

Adding to 2215632473 its reverse (3742365122), we get a palindrome (5957997595).

The spelling of 2215632473 in words is "two billion, two hundred fifteen million, six hundred thirty-two thousand, four hundred seventy-three".