22201233 has 8 divisors (see below), whose sum is σ = 30888768. Its totient is φ = 14157264.

The previous prime is 22201217. The next prime is 22201237. The reversal of 22201233 is 33210222.

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

It is not a de Polignac number, because 22201233 - 2⁴ = 22201217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22201237) 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 7 ways as a sum of consecutive naturals, for example, 160810 + ... + 160947.

It is an arithmetic number, because the mean of its divisors is an integer number (3861096).

Almost surely, 2^22201233 is an apocalyptic number.

22201233 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

22201233 is a deficient number, since it is larger than the sum of its proper divisors (8687535).

22201233 is a wasteful number, since it uses less digits than its factorization.

22201233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321783.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 22201233 is about 4711.8184387771. The cubic root of 22201233 is about 281.0556789065.

Adding to 22201233 its reverse (33210222), we get a palindrome (55411455).

The spelling of 22201233 in words is "twenty-two million, two hundred one thousand, two hundred thirty-three".