22433321 has 4 divisors (see below), whose sum is σ = 22557444. Its totient is φ = 22309200.

The previous prime is 22433317. The next prime is 22433347. The reversal of 22433321 is 12333422.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12333422 = 2 ⋅6166711.

It can be written as a sum of positive squares in 2 ways, for example, as 8265625 + 14167696 = 2875^2 + 3764^2 .

It is a cyclic number.

It is not a de Polignac number, because 22433321 - 2² = 22433317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22433293 and 22433302.

It is not an unprimeable number, because it can be changed into a prime (22433311) 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, 61790 + ... + 62151.

It is an arithmetic number, because the mean of its divisors is an integer number (5639361).

Almost surely, 2^22433321 is an apocalyptic number.

It is an amenable number.

22433321 is a deficient number, since it is larger than the sum of its proper divisors (124123).

22433321 is a wasteful number, since it uses less digits than its factorization.

22433321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124122.

The product of its digits is 864, while the sum is 20.

The square root of 22433321 is about 4736.3826914640. The cubic root of 22433321 is about 282.0316556520.

Adding to 22433321 its reverse (12333422), we get a palindrome (34766743).

The spelling of 22433321 in words is "twenty-two million, four hundred thirty-three thousand, three hundred twenty-one".