22012140244 has 6 divisors (see below), whose sum is σ = 38521245434. Its totient is φ = 11006070120.

The previous prime is 22012140239. The next prime is 22012140263. The reversal of 22012140244 is 44204121022.

It can be written as a sum of positive squares in only one way, i.e., 17275947844 + 4736192400 = 131438^2 + 68820^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2751517527 + ... + 2751517534.

Almost surely, 2^22012140244 is an apocalyptic number.

It is an amenable number.

22012140244 is a deficient number, since it is larger than the sum of its proper divisors (16509105190).

22012140244 is a wasteful number, since it uses less digits than its factorization.

22012140244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5503035065 (or 5503035063 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 22012140244 its reverse (44204121022), we get a palindrome (66216261266).

The spelling of 22012140244 in words is "twenty-two billion, twelve million, one hundred forty thousand, two hundred forty-four".