22026667 has 4 divisors (see below), whose sum is σ = 23721040. Its totient is φ = 20332296.

The previous prime is 22026661. The next prime is 22026671. The reversal of 22026667 is 76662022.

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 22026667 - 2¹¹ = 22024619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22026661) 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 3 ways as a sum of consecutive naturals, for example, 847167 + ... + 847192.

It is an arithmetic number, because the mean of its divisors is an integer number (5930260).

Almost surely, 2^22026667 is an apocalyptic number.

22026667 is a deficient number, since it is larger than the sum of its proper divisors (1694373).

22026667 is a wasteful number, since it uses less digits than its factorization.

22026667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1694372.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 22026667 is about 4693.2576106581. The cubic root of 22026667 is about 280.3171024778.

Adding to 22026667 its reverse (76662022), we get a palindrome (98688689).

The spelling of 22026667 in words is "twenty-two million, twenty-six thousand, six hundred sixty-seven".