22186742224 has 10 divisors (see below), whose sum is σ = 42986813090. Its totient is φ = 11093371104.

The previous prime is 22186742219. The next prime is 22186742251. The reversal of 22186742224 is 42224768122.

It can be written as a sum of positive squares in only one way, i.e., 20374707600 + 1812034624 = 142740^2 + 42568^2 .

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, 693335679 + ... + 693335710.

It is an arithmetic number, because the mean of its divisors is an integer number (4298681309).

Almost surely, 2^22186742224 is an apocalyptic number.

It is an amenable number.

22186742224 is a deficient number, since it is larger than the sum of its proper divisors (20800070866).

22186742224 is a wasteful number, since it uses less digits than its factorization.

22186742224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1386671397 (or 1386671391 counting only the distinct ones).

The product of its digits is 172032, while the sum is 40.

The spelling of 22186742224 in words is "twenty-two billion, one hundred eighty-six million, seven hundred forty-two thousand, two hundred twenty-four".