1223201122 has 16 divisors (see below), whose sum is σ = 2155571712. Its totient is φ = 513231120.

The previous prime is 1223201107. The next prime is 1223201123. The reversal of 1223201122 is 2211023221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1223201096 and 1223201105.

It is not an unprimeable number, because it can be changed into a prime (1223201123) 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, 2138178 + ... + 2138749.

It is an arithmetic number, because the mean of its divisors is an integer number (134723232).

Almost surely, 2^1223201122 is an apocalyptic number.

1223201122 is a deficient number, since it is larger than the sum of its proper divisors (932370590).

1223201122 is a wasteful number, since it uses less digits than its factorization.

1223201122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4276953.

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

The square root of 1223201122 is about 34974.2923016321. The cubic root of 1223201122 is about 1069.4634751586.

Adding to 1223201122 its reverse (2211023221), we get a palindrome (3434224343).

The spelling of 1223201122 in words is "one billion, two hundred twenty-three million, two hundred one thousand, one hundred twenty-two".