22099365 has 32 divisors (see below), whose sum is σ = 39488640. Its totient is φ = 11726208.

The previous prime is 22099339. The next prime is 22099379. The reversal of 22099365 is 56399022.

It is not a de Polignac number, because 22099365 - 2¹⁶ = 22033829 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41994 + ... + 42516.

It is an arithmetic number, because the mean of its divisors is an integer number (1234020).

Almost surely, 2^22099365 is an apocalyptic number.

It is an amenable number.

22099365 is a deficient number, since it is larger than the sum of its proper divisors (17389275).

22099365 is a wasteful number, since it uses less digits than its factorization.

22099365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850 (or 844 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 22099365 is about 4700.9961710259. The cubic root of 22099365 is about 280.6251550504.

Adding to 22099365 its sum of digits (36), we get a square (22099401 = 4701²).

The spelling of 22099365 in words is "twenty-two million, ninety-nine thousand, three hundred sixty-five".