22222240705 has 16 divisors (see below), whose sum is σ = 30790408320. Its totient is φ = 15081011712.

The previous prime is 22222240699. The next prime is 22222240721. The reversal of 22222240705 is 50704222222.

It is a cyclic number.

It is not a de Polignac number, because 22222240705 - 2³¹ = 20074757057 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 3269395 + ... + 3276184.

It is an arithmetic number, because the mean of its divisors is an integer number (1924400520).

Almost surely, 2^22222240705 is an apocalyptic number.

It is an amenable number.

22222240705 is a deficient number, since it is larger than the sum of its proper divisors (8568167615).

22222240705 is an equidigital number, since it uses as much as digits as its factorization.

22222240705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6545688.

The product of its (nonzero) digits is 8960, while the sum is 28.

Adding to 22222240705 its reverse (50704222222), we get a palindrome (72926462927).

The spelling of 22222240705 in words is "twenty-two billion, two hundred twenty-two million, two hundred forty thousand, seven hundred five".