22420808 has 8 divisors (see below), whose sum is σ = 42039030. Its totient is φ = 11210400.

The previous prime is 22420789. The next prime is 22420819. The reversal of 22420808 is 80802422.

It can be written as a sum of positive squares in only one way, i.e., 17322244 + 5098564 = 4162^2 + 2258^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1401293 + ... + 1401308.

Almost surely, 2^22420808 is an apocalyptic number.

It is an amenable number.

22420808 is a deficient number, since it is larger than the sum of its proper divisors (19618222).

22420808 is a wasteful number, since it uses less digits than its factorization.

22420808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2802607 (or 2802603 counting only the distinct ones).

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

The square root of 22420808 is about 4735.0615624298. The cubic root of 22420808 is about 281.9792080977.

The spelling of 22420808 in words is "twenty-two million, four hundred twenty thousand, eight hundred eight".