222916 has 12 divisors (see below), whose sum is σ = 407232. Its totient is φ = 106568.

The previous prime is 222913. The next prime is 222919. The reversal of 222916 is 619222.

222916 = T₃₈₄ + T₃₈₅ + T₃₈₆.

It is a happy number.

222916 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (222913) and next prime (222919).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222913) 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, 1120 + ... + 1303.

It is an arithmetic number, because the mean of its divisors is an integer number (33936).

2²²²⁹¹⁶ is an apocalyptic number.

222916 is the 386-th centered triangular number.

It is an amenable number.

222916 is a deficient number, since it is larger than the sum of its proper divisors (184316).

222916 is a wasteful number, since it uses less digits than its factorization.

222916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2450 (or 2448 counting only the distinct ones).

The product of its digits is 432, while the sum is 22.

The square root of 222916 is about 472.1398098021. The cubic root of 222916 is about 60.6336548383.

The spelling of 222916 in words is "two hundred twenty-two thousand, nine hundred sixteen".