22235233 has 4 divisors (see below), whose sum is σ = 22244868. Its totient is φ = 22225600.

The previous prime is 22235231. The next prime is 22235267. The reversal of 22235233 is 33253222.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 33253222 = 2 ⋅16626611.

It can be written as a sum of positive squares in 2 ways, for example, as 14961424 + 7273809 = 3868^2 + 2697^2 .

It is a cyclic number.

It is not a de Polignac number, because 22235233 - 2¹ = 22235231 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22235231) 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, 933 + ... + 6733.

It is an arithmetic number, because the mean of its divisors is an integer number (5561217).

Almost surely, 2^22235233 is an apocalyptic number.

It is an amenable number.

22235233 is a deficient number, since it is larger than the sum of its proper divisors (9635).

22235233 is an equidigital number, since it uses as much as digits as its factorization.

22235233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9634.

The product of its digits is 2160, while the sum is 22.

The square root of 22235233 is about 4715.4250073562. The cubic root of 22235233 is about 281.1990796374.

Adding to 22235233 its reverse (33253222), we get a palindrome (55488455).

The spelling of 22235233 in words is "twenty-two million, two hundred thirty-five thousand, two hundred thirty-three".