23220033 has 8 divisors (see below), whose sum is σ = 32589600. Its totient is φ = 14665248.

The previous prime is 23220019. The next prime is 23220037. The reversal of 23220033 is 33002232.

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

It is not a de Polignac number, because 23220033 - 2¹⁶ = 23154497 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23219994 and 23220021.

It is not an unprimeable number, because it can be changed into a prime (23220037) 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, 203628 + ... + 203741.

It is an arithmetic number, because the mean of its divisors is an integer number (4073700).

Almost surely, 2^23220033 is an apocalyptic number.

It is an amenable number.

23220033 is a deficient number, since it is larger than the sum of its proper divisors (9369567).

23220033 is a wasteful number, since it uses less digits than its factorization.

23220033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407391.

The product of its (nonzero) digits is 216, while the sum is 15.

The square root of 23220033 is about 4818.7169454119. The cubic root of 23220033 is about 285.2906975422.

Adding to 23220033 its reverse (33002232), we get a palindrome (56222265).

The spelling of 23220033 in words is "twenty-three million, two hundred twenty thousand, thirty-three".