22006567 has 4 divisors (see below), whose sum is σ = 24007176. Its totient is φ = 20005960.

The previous prime is 22006531. The next prime is 22006571. The reversal of 22006567 is 76560022.

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

It is a cyclic number.

It is not a de Polignac number, because 22006567 - 2¹⁵ = 21973799 is a prime.

It is a super-2 number, since 2×22006567² = 968577982250978, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22006577) 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, 1000288 + ... + 1000309.

It is an arithmetic number, because the mean of its divisors is an integer number (6001794).

Almost surely, 2^22006567 is an apocalyptic number.

22006567 is a deficient number, since it is larger than the sum of its proper divisors (2000609).

22006567 is a wasteful number, since it uses less digits than its factorization.

22006567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000608.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 22006567 is about 4691.1157521426. The cubic root of 22006567 is about 280.2318105832.

Adding to 22006567 its reverse (76560022), we get a palindrome (98566589).

The spelling of 22006567 in words is "twenty-two million, six thousand, five hundred sixty-seven".