22343442343212 has 48 divisors (see below), whose sum is σ = 55210212489600. Its totient is φ = 7008594170112.

The previous prime is 22343442343199. The next prime is 22343442343309. The reversal of 22343442343212 is 21234324434322.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7408978 + ... + 9978969.

It is an arithmetic number, because the mean of its divisors is an integer number (1150212760200).

Almost surely, 2^{22343442343212} is an apocalyptic number.

It is an amenable number.

22343442343212 is an abundant number, since it is smaller than the sum of its proper divisors (32866770146388).

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

22343442343212 is a wasteful number, since it uses less digits than its factorization.

22343442343212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17394270 (or 17394268 counting only the distinct ones).

The product of its digits is 663552, while the sum is 39.

Adding to 22343442343212 its reverse (21234324434322), we get a palindrome (43577766777534).

The spelling of 22343442343212 in words is "twenty-two trillion, three hundred forty-three billion, four hundred forty-two million, three hundred forty-three thousand, two hundred twelve".