222416 has 10 divisors (see below), whose sum is σ = 430962. Its totient is φ = 111200.

The previous prime is 222403. The next prime is 222419. The reversal of 222416 is 614222.

It can be written as a sum of positive squares in only one way, i.e., 211600 + 10816 = 460^2 + 104^2 .

It is a junction number, because it is equal to n+sod(n) for n = 222394 and 222403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222419) by changing a digit.

222416 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6935 + ... + 6966.

2²²²⁴¹⁶ is an apocalyptic number.

It is an amenable number.

222416 is a deficient number, since it is larger than the sum of its proper divisors (208546).

222416 is a wasteful number, since it uses less digits than its factorization.

222416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13909 (or 13903 counting only the distinct ones).

The product of its digits is 192, while the sum is 17.

The square root of 222416 is about 471.6100083756. The cubic root of 222416 is about 60.5882871923.

Adding to 222416 its reverse (614222), we get a palindrome (836638).

The spelling of 222416 in words is "two hundred twenty-two thousand, four hundred sixteen".