1223122201 has 8 divisors (see below), whose sum is σ = 1398720960. Its totient is φ = 1047740208.

The previous prime is 1223122177. The next prime is 1223122211. The reversal of 1223122201 is 1022213221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1223122201 - 2⁷ = 1223122073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1223122211) 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, 41911 + ... + 64828.

It is an arithmetic number, because the mean of its divisors is an integer number (174840120).

Almost surely, 2^1223122201 is an apocalyptic number.

It is an amenable number.

1223122201 is a deficient number, since it is larger than the sum of its proper divisors (175598759).

1223122201 is a wasteful number, since it uses less digits than its factorization.

1223122201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108383.

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

The square root of 1223122201 is about 34973.1640118534. The cubic root of 1223122201 is about 1069.4404740509.

Adding to 1223122201 its reverse (1022213221), we get a palindrome (2245335422).

The spelling of 1223122201 in words is "one billion, two hundred twenty-three million, one hundred twenty-two thousand, two hundred one".