22209799 has 8 divisors (see below), whose sum is σ = 22670928. Its totient is φ = 21753600.

The previous prime is 22209797. The next prime is 22209821. The reversal of 22209799 is 99790222.

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 22209799 - 2¹ = 22209797 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 (22209797) 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, 8664 + ... + 10930.

It is an arithmetic number, because the mean of its divisors is an integer number (2833866).

Almost surely, 2^22209799 is an apocalyptic number.

22209799 is a deficient number, since it is larger than the sum of its proper divisors (461129).

22209799 is a wasteful number, since it uses less digits than its factorization.

22209799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2465.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 22209799 is about 4712.7273419964. The cubic root of 22209799 is about 281.0918212441.

The spelling of 22209799 in words is "twenty-two million, two hundred nine thousand, seven hundred ninety-nine".