1223210222 has 16 divisors (see below), whose sum is σ = 1986308352. Its totient is φ = 561600480.

The previous prime is 1223210221. The next prime is 1223210249. The reversal of 1223210222 is 2220123221.

It is a self number, because there is not a number n which added to its sum of digits gives 1223210222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223210221) 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, 118193 + ... + 128124.

It is an arithmetic number, because the mean of its divisors is an integer number (124144272).

Almost surely, 2^1223210222 is an apocalyptic number.

1223210222 is a deficient number, since it is larger than the sum of its proper divisors (763098130).

1223210222 is a wasteful number, since it uses less digits than its factorization.

1223210222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246523.

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

The square root of 1223210222 is about 34974.4223969460. The cubic root of 1223210222 is about 1069.4661272418.

Adding to 1223210222 its reverse (2220123221), we get a palindrome (3443333443).

The spelling of 1223210222 in words is "one billion, two hundred twenty-three million, two hundred ten thousand, two hundred twenty-two".