2215847044 has 12 divisors (see below), whose sum is σ = 3878097804. Its totient is φ = 1107819104.

The previous prime is 2215847041. The next prime is 2215847119. The reversal of 2215847044 is 4407485122.

It can be written as a sum of positive squares in 2 ways, for example, as 638168644 + 1577678400 = 25262^2 + 39720^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2215846994 and 2215847012.

It is not an unprimeable number, because it can be changed into a prime (2215847041) 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, 40554 + ... + 77950.

It is an arithmetic number, because the mean of its divisors is an integer number (323174817).

Almost surely, 2^2215847044 is an apocalyptic number.

It is an amenable number.

2215847044 is a deficient number, since it is larger than the sum of its proper divisors (1662250760).

2215847044 is a wasteful number, since it uses less digits than its factorization.

2215847044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52214 (or 52212 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 37.

The square root of 2215847044 is about 47072.7845362902. The cubic root of 2215847044 is about 1303.7067862009.

The spelling of 2215847044 in words is "two billion, two hundred fifteen million, eight hundred forty-seven thousand, forty-four".