222402212 has 24 divisors (see below), whose sum is σ = 396081504. Its totient is φ = 109245312.

The previous prime is 222402209. The next prime is 222402217. The reversal of 222402212 is 212204222.

It is not an unprimeable number, because it can be changed into a prime (222402217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124268 + ... + 126044.

It is an arithmetic number, because the mean of its divisors is an integer number (16503396).

Almost surely, 2^222402212 is an apocalyptic number.

It is an amenable number.

222402212 is a deficient number, since it is larger than the sum of its proper divisors (173679292).

222402212 is a wasteful number, since it uses less digits than its factorization.

222402212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2315 (or 2313 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 222402212 is about 14913.1556687376. The cubic root of 222402212 is about 605.8703517121.

Adding to 222402212 its reverse (212204222), we get a palindrome (434606434).

The spelling of 222402212 in words is "two hundred twenty-two million, four hundred two thousand, two hundred twelve".