22354343012 has 12 divisors (see below), whose sum is σ = 39168462060. Its totient is φ = 11163353856.

The previous prime is 22354343003. The next prime is 22354343027. The reversal of 22354343012 is 21034345322.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9552325696 + 12802017316 = 97736^2 + 113146^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3450773 + ... + 3457244.

It is an arithmetic number, because the mean of its divisors is an integer number (3264038505).

Almost surely, 2^22354343012 is an apocalyptic number.

It is an amenable number.

22354343012 is a deficient number, since it is larger than the sum of its proper divisors (16814119048).

22354343012 is a wasteful number, since it uses less digits than its factorization.

22354343012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6908830 (or 6908828 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 22354343012 its reverse (21034345322), we get a palindrome (43388688334).

The spelling of 22354343012 in words is "twenty-two billion, three hundred fifty-four million, three hundred forty-three thousand, twelve".