22409889 has 8 divisors (see below), whose sum is σ = 31179072. Its totient is φ = 14290320.

The previous prime is 22409887. The next prime is 22409941. The reversal of 22409889 is 98890422.

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

It is not a de Polignac number, because 22409889 - 2¹ = 22409887 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22409889.

It is not an unprimeable number, because it can be changed into a prime (22409887) 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, 162322 + ... + 162459.

It is an arithmetic number, because the mean of its divisors is an integer number (3897384).

Almost surely, 2^22409889 is an apocalyptic number.

It is an amenable number.

22409889 is a deficient number, since it is larger than the sum of its proper divisors (8769183).

22409889 is a wasteful number, since it uses less digits than its factorization.

22409889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324807.

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 22409889 is about 4733.9084275047. The cubic root of 22409889 is about 281.9334257613.

The spelling of 22409889 in words is "twenty-two million, four hundred nine thousand, eight hundred eighty-nine".