22102011442 has 24 divisors (see below), whose sum is σ = 38765610396. Its totient is φ = 9423203328.

The previous prime is 22102011427. The next prime is 22102011467. The reversal of 22102011442 is 24411020122.

It can be written as a sum of positive squares in 2 ways, for example, as 19254615121 + 2847396321 = 138761^2 + 53361^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 565363 + ... + 603190.

Almost surely, 2^22102011442 is an apocalyptic number.

22102011442 is a deficient number, since it is larger than the sum of its proper divisors (16663598954).

22102011442 is a wasteful number, since it uses less digits than its factorization.

22102011442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1168762 (or 1168755 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 22102011442 its reverse (24411020122), we get a palindrome (46513031564).

The spelling of 22102011442 in words is "twenty-two billion, one hundred two million, eleven thousand, four hundred forty-two".