22440033 has 24 divisors (see below), whose sum is σ = 40412736. Its totient is φ = 11656800.

The previous prime is 22440031. The next prime is 22440037. The reversal of 22440033 is 33004422.

It is not a de Polignac number, because 22440033 - 2¹ = 22440031 is a prime.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 22439988 and 22440015.

It is not an unprimeable number, because it can be changed into a prime (22440031) 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 23 ways as a sum of consecutive naturals, for example, 15498 + ... + 16883.

It is an arithmetic number, because the mean of its divisors is an integer number (1683864).

Almost surely, 2^22440033 is an apocalyptic number.

It is an amenable number.

22440033 is a deficient number, since it is larger than the sum of its proper divisors (17972703).

22440033 is a wasteful number, since it uses less digits than its factorization.

22440033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32405 (or 32402 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 22440033 is about 4737.0911960823. The cubic root of 22440033 is about 282.0597805963.

Adding to 22440033 its reverse (33004422), we get a palindrome (55444455).

The spelling of 22440033 in words is "twenty-two million, four hundred forty thousand, thirty-three".