22433133 has 4 divisors (see below), whose sum is σ = 29910848. Its totient is φ = 14955420.

The previous prime is 22433123. The next prime is 22433161. The reversal of 22433133 is 33133422.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 22433133 - 2¹⁴ = 22416749 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 (22433123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3738853 + ... + 3738858.

It is an arithmetic number, because the mean of its divisors is an integer number (7477712).

Almost surely, 2^22433133 is an apocalyptic number.

It is an amenable number.

22433133 is a deficient number, since it is larger than the sum of its proper divisors (7477715).

22433133 is an equidigital number, since it uses as much as digits as its factorization.

22433133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7477714.

The product of its digits is 1296, while the sum is 21.

The square root of 22433133 is about 4736.3628450532. The cubic root of 22433133 is about 282.0308678046.

Adding to 22433133 its reverse (33133422), we get a palindrome (55566555).

The spelling of 22433133 in words is "twenty-two million, four hundred thirty-three thousand, one hundred thirty-three".