22026907 has 4 divisors (see below), whose sum is σ = 25173616. Its totient is φ = 18880200.

The previous prime is 22026899. The next prime is 22026911. The reversal of 22026907 is 70962022.

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 22026907 - 2³ = 22026899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22026937) 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, 1573344 + ... + 1573357.

It is an arithmetic number, because the mean of its divisors is an integer number (6293404).

Almost surely, 2^22026907 is an apocalyptic number.

22026907 is a deficient number, since it is larger than the sum of its proper divisors (3146709).

22026907 is an equidigital number, since it uses as much as digits as its factorization.

22026907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3146708.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 22026907 is about 4693.2831791828. The cubic root of 22026907 is about 280.3181205749.

Adding to 22026907 its reverse (70962022), we get a palindrome (92988929).

The spelling of 22026907 in words is "twenty-two million, twenty-six thousand, nine hundred seven".