222412 has 6 divisors (see below), whose sum is σ = 389228. Its totient is φ = 111204.

The previous prime is 222403. The next prime is 222419. The reversal of 222412 is 214222.

222412 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 a nude number because it is divisible by every one of its digits.

It is a nialpdrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 222392 and 222401.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27798 + ... + 27805.

2²²²⁴¹² is an apocalyptic number.

It is an amenable number.

222412 is a deficient number, since it is larger than the sum of its proper divisors (166816).

222412 is a wasteful number, since it uses less digits than its factorization.

222412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55607 (or 55605 counting only the distinct ones).

The product of its digits is 64, while the sum is 13.

The square root of 222412 is about 471.6057675644. The cubic root of 222412 is about 60.5879239771.

Adding to 222412 its reverse (214222), we get a palindrome (436634).

The spelling of 222412 in words is "two hundred twenty-two thousand, four hundred twelve", and thus it is an iban number.