22143224233412 has 6 divisors (see below), whose sum is σ = 38750642408478. Its totient is φ = 11071612116704.

The previous prime is 22143224233409. The next prime is 22143224233433. The reversal of 22143224233412 is 21433242234122.

It can be written as a sum of positive squares in only one way, i.e., 19193301192256 + 2949923041156 = 4381016^2 + 1717534^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2767903029173 + ... + 2767903029180.

It is an arithmetic number, because the mean of its divisors is an integer number (6458440401413).

Almost surely, 2^{22143224233412} is an apocalyptic number.

It is an amenable number.

22143224233412 is a deficient number, since it is larger than the sum of its proper divisors (16607418175066).

22143224233412 is a wasteful number, since it uses less digits than its factorization.

22143224233412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5535806058357 (or 5535806058355 counting only the distinct ones).

The product of its digits is 110592, while the sum is 35.

Adding to 22143224233412 its reverse (21433242234122), we get a palindrome (43576466467534).

The spelling of 22143224233412 in words is "twenty-two trillion, one hundred forty-three billion, two hundred twenty-four million, two hundred thirty-three thousand, four hundred twelve".