23220133 has 8 divisors (see below), whose sum is σ = 24300288. Its totient is φ = 22145904.

The previous prime is 23220091. The next prime is 23220139. The reversal of 23220133 is 33102232.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23220133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23220139) 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, 7860 + ... + 10402.

It is an arithmetic number, because the mean of its divisors is an integer number (3037536).

Almost surely, 2^23220133 is an apocalyptic number.

23220133 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

23220133 is a deficient number, since it is larger than the sum of its proper divisors (1080155).

23220133 is a wasteful number, since it uses less digits than its factorization.

23220133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2963.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 23220133 is about 4818.7273216068. The cubic root of 23220133 is about 285.2911070884.

Adding to 23220133 its reverse (33102232), we get a palindrome (56322365).

The spelling of 23220133 in words is "twenty-three million, two hundred twenty thousand, one hundred thirty-three".