2269216 has 12 divisors (see below), whose sum is σ = 4467582. Its totient is φ = 1134592.

The previous prime is 2269181. The next prime is 2269217. The reversal of 2269216 is 6129622.

It can be written as a sum of positive squares in only one way, i.e., 1904400 + 364816 = 1380^2 + 604^2 .

It is not an unprimeable number, because it can be changed into a prime (2269217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35425 + ... + 35488.

2^2269216 is an apocalyptic number.

It is an amenable number.

2269216 is a deficient number, since it is larger than the sum of its proper divisors (2198366).

2269216 is an equidigital number, since it uses as much as digits as its factorization.

2269216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70923 (or 70915 counting only the distinct ones).

The product of its digits is 2592, while the sum is 28.

The square root of 2269216 is about 1506.3917153251. The cubic root of 2269216 is about 131.4090510211.

It can be divided in two parts, 2269 and 216, that added together give a triangular number (2485 = T₇₀).

The spelling of 2269216 in words is "two million, two hundred sixty-nine thousand, two hundred sixteen".