22120242305 has 32 divisors (see below), whose sum is σ = 31093009920. Its totient is φ = 14790228480.

The previous prime is 22120242281. The next prime is 22120242307. The reversal of 22120242305 is 50324202122.

It is not a de Polignac number, because 22120242305 - 2¹⁰ = 22120241281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22120242307) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3999452 + ... + 4004978.

It is an arithmetic number, because the mean of its divisors is an integer number (971656560).

Almost surely, 2^22120242305 is an apocalyptic number.

It is an amenable number.

22120242305 is a deficient number, since it is larger than the sum of its proper divisors (8972767615).

22120242305 is a wasteful number, since it uses less digits than its factorization.

22120242305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8369.

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 22120242305 its reverse (50324202122), we get a palindrome (72444444427).

The spelling of 22120242305 in words is "twenty-two billion, one hundred twenty million, two hundred forty-two thousand, three hundred five".