1223001122 has 32 divisors (see below), whose sum is σ = 2122416000. Its totient is φ = 517708800.

The previous prime is 1223001121. The next prime is 1223001127. The reversal of 1223001122 is 2211003221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 1223001097 and 1223001106.

It is not an unprimeable number, because it can be changed into a prime (1223001121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 815129 + ... + 816627.

It is an arithmetic number, because the mean of its divisors is an integer number (66325500).

Almost surely, 2^1223001122 is an apocalyptic number.

1223001122 is a deficient number, since it is larger than the sum of its proper divisors (899414878).

1223001122 is a wasteful number, since it uses less digits than its factorization.

1223001122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2186.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1223001122 is about 34971.4329417598. The cubic root of 1223001122 is about 1069.4051842938.

Adding to 1223001122 its reverse (2211003221), we get a palindrome (3434004343).

The spelling of 1223001122 in words is "one billion, two hundred twenty-three million, one thousand, one hundred twenty-two".