2215606672 has 10 divisors (see below), whose sum is σ = 4292737958. Its totient is φ = 1107803328.

The previous prime is 2215606669. The next prime is 2215606697. The reversal of 2215606672 is 2766065122.

It can be written as a sum of positive squares in only one way, i.e., 1873504656 + 342102016 = 43284^2 + 18496^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69237693 + ... + 69237724.

Almost surely, 2^2215606672 is an apocalyptic number.

It is an amenable number.

2215606672 is a deficient number, since it is larger than the sum of its proper divisors (2077131286).

2215606672 is a wasteful number, since it uses less digits than its factorization.

2215606672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138475425 (or 138475419 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 2215606672 is about 47070.2312720046. The cubic root of 2215606672 is about 1303.6596430643.

The spelling of 2215606672 in words is "two billion, two hundred fifteen million, six hundred six thousand, six hundred seventy-two".