22209996 has 24 divisors (see below), whose sum is σ = 54077184. Its totient is φ = 7081360.

The previous prime is 22209989. The next prime is 22209997. The reversal of 22209996 is 69990222.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22209997) 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, 39960 + ... + 40511.

It is an arithmetic number, because the mean of its divisors is an integer number (2253216).

Almost surely, 2^22209996 is an apocalyptic number.

It is an amenable number.

22209996 is an abundant number, since it is smaller than the sum of its proper divisors (31867188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22209996 is a wasteful number, since it uses less digits than its factorization.

22209996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80501 (or 80499 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 22209996 is about 4712.7482427985. The cubic root of 22209996 is about 281.0926523326.

The spelling of 22209996 in words is "twenty-two million, two hundred nine thousand, nine hundred ninety-six".