22009097 has 8 divisors (see below), whose sum is σ = 24155712. Its totient is φ = 19886800.

The previous prime is 22009081. The next prime is 22009109. The reversal of 22009097 is 79090022.

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 22009097 - 2⁴ = 22009081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22039097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4154 + ... + 7827.

It is an arithmetic number, because the mean of its divisors is an integer number (3019464).

Almost surely, 2^22009097 is an apocalyptic number.

It is an amenable number.

22009097 is a deficient number, since it is larger than the sum of its proper divisors (2146615).

22009097 is a wasteful number, since it uses less digits than its factorization.

22009097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12159.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 22009097 is about 4691.3854030553. The cubic root of 22009097 is about 280.2425491855.

The spelling of 22009097 in words is "twenty-two million, nine thousand, ninety-seven".