2215647222 has 8 divisors (see below), whose sum is σ = 4431294456. Its totient is φ = 738549072.

The previous prime is 2215647173. The next prime is 2215647227. The reversal of 2215647222 is 2227465122.

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

2215647222 is an admirable number.

It is a super-3 number, since 3×2215647222³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2215647227) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 184637263 + ... + 184637274.

It is an arithmetic number, because the mean of its divisors is an integer number (553911807).

Almost surely, 2^2215647222 is an apocalyptic number.

2215647222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2215647222 is a wasteful number, since it uses less digits than its factorization.

2215647222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369274542.

The product of its digits is 26880, while the sum is 33.

The square root of 2215647222 is about 47070.6620093663. The cubic root of 2215647222 is about 1303.6675962021.

It can be divided in two parts, 22156 and 47222, that added together give a triangular number (69378 = T₃₇₂).

The spelling of 2215647222 in words is "two billion, two hundred fifteen million, six hundred forty-seven thousand, two hundred twenty-two".