22079509 has 8 divisors (see below), whose sum is σ = 22619520. Its totient is φ = 21546000.

The previous prime is 22079489. The next prime is 22079513. The reversal of 22079509 is 90597022.

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 22079509 - 2⁹ = 22078997 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 (22079579) 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, 5632 + ... + 8710.

It is an arithmetic number, because the mean of its divisors is an integer number (2827440).

Almost surely, 2^22079509 is an apocalyptic number.

It is an amenable number.

22079509 is a deficient number, since it is larger than the sum of its proper divisors (540011).

22079509 is a wasteful number, since it uses less digits than its factorization.

22079509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3251.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 22079509 is about 4698.8838036283. The cubic root of 22079509 is about 280.5410838153.

The spelling of 22079509 in words is "twenty-two million, seventy-nine thousand, five hundred nine".