22321233 has 36 divisors (see below), whose sum is σ = 35963200. Its totient is φ = 13329360.

The previous prime is 22321231. The next prime is 22321237. The reversal of 22321233 is 33212322.

It is a happy number.

It is not a de Polignac number, because 22321233 - 2¹ = 22321231 is a prime.

It is a super-3 number, since 3×22321233³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22321231) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 112068 + ... + 112266.

Almost surely, 2^22321233 is an apocalyptic number.

It is an amenable number.

22321233 is a deficient number, since it is larger than the sum of its proper divisors (13641967).

22321233 is a wasteful number, since it uses less digits than its factorization.

22321233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330 (or 316 counting only the distinct ones).

The product of its digits is 432, while the sum is 18.

The square root of 22321233 is about 4724.5352152355. The cubic root of 22321233 is about 281.5611477974.

Adding to 22321233 its reverse (33212322), we get a palindrome (55533555).

The spelling of 22321233 in words is "twenty-two million, three hundred twenty-one thousand, two hundred thirty-three".