1232221401 has 12 divisors (see below), whose sum is σ = 1804944960. Its totient is φ = 809910360.

The previous prime is 1232221379. The next prime is 1232221451. The reversal of 1232221401 is 1041222321.

It is a happy number.

1232221401 is a `hidden beast` number, since 12 + 32 + 221 + 401 = 666.

It is not a de Polignac number, because 1232221401 - 2⁵ = 1232221369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1232221451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 963541 + ... + 964818.

It is an arithmetic number, because the mean of its divisors is an integer number (150412080).

Almost surely, 2^1232221401 is an apocalyptic number.

It is an amenable number.

1232221401 is a deficient number, since it is larger than the sum of its proper divisors (572723559).

1232221401 is a wasteful number, since it uses less digits than its factorization.

1232221401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1928436 (or 1928433 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1232221401 is about 35103.0112810853. The cubic root of 1232221401 is about 1072.0858955199.

Adding to 1232221401 its reverse (1041222321), we get a palindrome (2273443722).

The spelling of 1232221401 in words is "one billion, two hundred thirty-two million, two hundred twenty-one thousand, four hundred one".