22401331423412 has 6 divisors (see below), whose sum is σ = 39202329990978. Its totient is φ = 11200665711704.

The previous prime is 22401331423409. The next prime is 22401331423421. The reversal of 22401331423412 is 21432413310422.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 14332857087376 + 8068474336036 = 3785876^2 + 2840506^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2800166427923 + ... + 2800166427930.

It is an arithmetic number, because the mean of its divisors is an integer number (6533721665163).

Almost surely, 2^{22401331423412} is an apocalyptic number.

It is an amenable number.

22401331423412 is a deficient number, since it is larger than the sum of its proper divisors (16800998567566).

22401331423412 is a wasteful number, since it uses less digits than its factorization.

22401331423412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5600332855857 (or 5600332855855 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 22401331423412 its reverse (21432413310422), we get a palindrome (43833744733834).

The spelling of 22401331423412 in words is "twenty-two trillion, four hundred one billion, three hundred thirty-one million, four hundred twenty-three thousand, four hundred twelve".