22133201 has 8 divisors (see below), whose sum is σ = 23833440. Its totient is φ = 20477248.

The previous prime is 22133191. The next prime is 22133203. The reversal of 22133201 is 10233122.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-22133201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22133203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10031 + ... + 12036.

It is an arithmetic number, because the mean of its divisors is an integer number (2979180).

Almost surely, 2^22133201 is an apocalyptic number.

It is an amenable number.

22133201 is a deficient number, since it is larger than the sum of its proper divisors (1700239).

22133201 is a wasteful number, since it uses less digits than its factorization.

22133201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22143.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 22133201 is about 4704.5936062534. The cubic root of 22133201 is about 280.7683023137.

Adding to 22133201 its reverse (10233122), we get a palindrome (32366323).

The spelling of 22133201 in words is "twenty-two million, one hundred thirty-three thousand, two hundred one".