22161960244 has 6 divisors (see below), whose sum is σ = 38783430434. Its totient is φ = 11080980120.

The previous prime is 22161960211. The next prime is 22161960269. The reversal of 22161960244 is 44206916122.

It can be written as a sum of positive squares in only one way, i.e., 21605472144 + 556488100 = 146988^2 + 23590^2 .

It is a congruent number.

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 as a sum of consecutive naturals, namely, 2770245027 + ... + 2770245034.

Almost surely, 2^22161960244 is an apocalyptic number.

It is an amenable number.

22161960244 is a deficient number, since it is larger than the sum of its proper divisors (16621470190).

22161960244 is a wasteful number, since it uses less digits than its factorization.

22161960244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5540490065 (or 5540490063 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The spelling of 22161960244 in words is "twenty-two billion, one hundred sixty-one million, nine hundred sixty thousand, two hundred forty-four".