22340221012 has 12 divisors (see below), whose sum is σ = 39833035956. Its totient is φ = 10959353600.

The previous prime is 22340220977. The next prime is 22340221027. The reversal of 22340221012 is 21012204322.

It can be written as a sum of positive squares in 2 ways, for example, as 19927839556 + 2412381456 = 141166^2 + 49116^2 .

It is a congruent number.

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, 52688989 + ... + 52689412.

It is an arithmetic number, because the mean of its divisors is an integer number (3319419663).

Almost surely, 2^22340221012 is an apocalyptic number.

It is an amenable number.

22340221012 is a deficient number, since it is larger than the sum of its proper divisors (17492814944).

22340221012 is a wasteful number, since it uses less digits than its factorization.

22340221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105378458 (or 105378456 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 22340221012 its reverse (21012204322), we get a palindrome (43352425334).

The spelling of 22340221012 in words is "twenty-two billion, three hundred forty million, two hundred twenty-one thousand, twelve".