1223011222 has 16 divisors (see below), whose sum is σ = 1897880544. Its totient is φ = 590680000.

The previous prime is 1223011189. The next prime is 1223011241. The reversal of 1223011222 is 2221103221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1223011196 and 1223011205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65554 + ... + 82117.

It is an arithmetic number, because the mean of its divisors is an integer number (118617534).

Almost surely, 2^1223011222 is an apocalyptic number.

1223011222 is a deficient number, since it is larger than the sum of its proper divisors (674869322).

1223011222 is a wasteful number, since it uses less digits than its factorization.

1223011222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147815.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1223011222 is about 34971.5773450384. The cubic root of 1223011222 is about 1069.4081281349.

Adding to 1223011222 its reverse (2221103221), we get a palindrome (3444114443).

The spelling of 1223011222 in words is "one billion, two hundred twenty-three million, eleven thousand, two hundred twenty-two".