22004433 has 32 divisors (see below), whose sum is σ = 36410880. Its totient is φ = 13018320.

The previous prime is 22004431. The next prime is 22004441. The reversal of 22004433 is 33440022.

22004433 is a `hidden beast` number, since 220 + 0 + 443 + 3 = 666.

It is not a de Polignac number, because 22004433 - 2¹ = 22004431 is a prime.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (22004431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11910 + ... + 13632.

It is an arithmetic number, because the mean of its divisors is an integer number (1137840).

Almost surely, 2^22004433 is an apocalyptic number.

It is an amenable number.

22004433 is a deficient number, since it is larger than the sum of its proper divisors (14406447).

22004433 is a wasteful number, since it uses less digits than its factorization.

22004433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1786 (or 1780 counting only the distinct ones).

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

The square root of 22004433 is about 4690.8882954085. Note that the first 3 decimals coincide. The cubic root of 22004433 is about 280.2227521657. Note that the first 3 decimals are identical.

Adding to 22004433 its reverse (33440022), we get a palindrome (55444455).

The spelling of 22004433 in words is "twenty-two million, four thousand, four hundred thirty-three".