19220808 has 32 divisors (see below), whose sum is σ = 48636000. Its totient is φ = 6329088.

The previous prime is 19220807. The next prime is 19220849. The reversal of 19220808 is 80802291.

It is not an unprimeable number, because it can be changed into a prime (19220807) 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, 2833 + ... + 6816.

It is an arithmetic number, because the mean of its divisors is an integer number (1519875).

Almost surely, 2^19220808 is an apocalyptic number.

It is an amenable number.

19220808 is an abundant number, since it is smaller than the sum of its proper divisors (29415192).

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

19220808 is a wasteful number, since it uses less digits than its factorization.

19220808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9741 (or 9737 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 19220808 is about 4384.1541943686. The cubic root of 19220808 is about 267.8698781704.

The spelling of 19220808 in words is "nineteen million, two hundred twenty thousand, eight hundred eight".