22006501 has 8 divisors (see below), whose sum is σ = 24460704. Its totient is φ = 19627920.

The previous prime is 22006471. The next prime is 22006511. The reversal of 22006501 is 10560022.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22006501 - 2⁹ = 22005989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22006511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18291 + ... + 19456.

It is an arithmetic number, because the mean of its divisors is an integer number (3057588).

Almost surely, 2^22006501 is an apocalyptic number.

It is an amenable number.

22006501 is a deficient number, since it is larger than the sum of its proper divisors (2454203).

22006501 is a wasteful number, since it uses less digits than its factorization.

22006501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37811.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 22006501 is about 4691.1087175635. The cubic root of 22006501 is about 280.2315304348.

Adding to 22006501 its reverse (10560022), we get a palindrome (32566523).

The spelling of 22006501 in words is "twenty-two million, six thousand, five hundred one".