208440822 has 16 divisors (see below), whose sum is σ = 417562560. Its totient is φ = 69366792.

The previous prime is 208440797. The next prime is 208440829. The reversal of 208440822 is 228044802.

It is a self number, because there is not a number n which added to its sum of digits gives 208440822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208440829) 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, 24348 + ... + 31775.

It is an arithmetic number, because the mean of its divisors is an integer number (26097660).

Almost surely, 2^208440822 is an apocalyptic number.

208440822 is an abundant number, since it is smaller than the sum of its proper divisors (209121738).

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

208440822 is a wasteful number, since it uses less digits than its factorization.

208440822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56747.

The product of its (nonzero) digits is 8192, while the sum is 30.

The square root of 208440822 is about 14437.4797662196. The cubic root of 208440822 is about 592.9174867442.

The spelling of 208440822 in words is "two hundred eight million, four hundred forty thousand, eight hundred twenty-two".