222023212 has 6 divisors (see below), whose sum is σ = 388540628. Its totient is φ = 111011604.

The previous prime is 222023173. The next prime is 222023239. The reversal of 222023212 is 212320222.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27752898 + ... + 27752905.

Almost surely, 2^222023212 is an apocalyptic number.

It is an amenable number.

222023212 is a deficient number, since it is larger than the sum of its proper divisors (166517416).

222023212 is a wasteful number, since it uses less digits than its factorization.

222023212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55505807 (or 55505805 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 222023212 is about 14900.4433491088. The cubic root of 222023212 is about 605.5259974886.

Adding to 222023212 its reverse (212320222), we get a palindrome (434343434).

The spelling of 222023212 in words is "two hundred twenty-two million, twenty-three thousand, two hundred twelve".