22240808 has 8 divisors (see below), whose sum is σ = 41701530. Its totient is φ = 11120400.

The previous prime is 22240807. The next prime is 22240831. The reversal of 22240808 is 80804222.

It can be written as a sum of positive squares in only one way, i.e., 15697444 + 6543364 = 3962^2 + 2558^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (22240807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1390043 + ... + 1390058.

Almost surely, 2^22240808 is an apocalyptic number.

It is an amenable number.

22240808 is a deficient number, since it is larger than the sum of its proper divisors (19460722).

22240808 is a wasteful number, since it uses less digits than its factorization.

22240808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2780107 (or 2780103 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 26.

The square root of 22240808 is about 4716.0161153245. The cubic root of 22240808 is about 281.2225791867. Note that the first 3 decimals are identical.

The spelling of 22240808 in words is "twenty-two million, two hundred forty thousand, eight hundred eight".