209848022346 has 16 divisors (see below), whose sum is σ = 420247559808. Its totient is φ = 69857421600.

The previous prime is 209848022341. The next prime is 209848022347. The reversal of 209848022346 is 643220848902.

It is a junction number, because it is equal to n+sod(n) for n = 209848022295 and 209848022304.

It is not an unprimeable number, because it can be changed into a prime (209848022341) 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, 22974850 + ... + 22983981.

It is an arithmetic number, because the mean of its divisors is an integer number (26265472488).

Almost surely, 2^209848022346 is an apocalyptic number.

209848022346 is an abundant number, since it is smaller than the sum of its proper divisors (210399537462).

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

209848022346 is a wasteful number, since it uses less digits than its factorization.

209848022346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45959597.

The product of its (nonzero) digits is 1327104, while the sum is 48.

The spelling of 209848022346 in words is "two hundred nine billion, eight hundred forty-eight million, twenty-two thousand, three hundred forty-six".