22404067 has 4 divisors (see below), whose sum is σ = 25604656. Its totient is φ = 19203480.

The previous prime is 22404061. The next prime is 22404071. The reversal of 22404067 is 76040422.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22404067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22404061) 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, 1600284 + ... + 1600297.

It is an arithmetic number, because the mean of its divisors is an integer number (6401164).

Almost surely, 2^22404067 is an apocalyptic number.

22404067 is a deficient number, since it is larger than the sum of its proper divisors (3200589).

22404067 is an equidigital number, since it uses as much as digits as its factorization.

22404067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3200588.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 22404067 is about 4733.2934622734. The cubic root of 22404067 is about 281.9090085859.

Adding to 22404067 its reverse (76040422), we get a palindrome (98444489).

The spelling of 22404067 in words is "twenty-two million, four hundred four thousand, sixty-seven".