22009969 has 8 divisors (see below), whose sum is σ = 23061248. Its totient is φ = 20980080.

The previous prime is 22009963. The next prime is 22009973. The reversal of 22009969 is 96990022.

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 22009969 - 2⁹ = 22009457 is a prime.

It is a super-2 number, since 2×22009969² = 968877470761922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22009963) 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, 3222 + ... + 7375.

It is an arithmetic number, because the mean of its divisors is an integer number (2882656).

Almost surely, 2^22009969 is an apocalyptic number.

It is an amenable number.

22009969 is a deficient number, since it is larger than the sum of its proper divisors (1051279).

22009969 is a wasteful number, since it uses less digits than its factorization.

22009969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10695.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 22009969 is about 4691.4783384345. The cubic root of 22009969 is about 280.2462502048.

The spelling of 22009969 in words is "twenty-two million, nine thousand, nine hundred sixty-nine".