22042345105 has 16 divisors (see below), whose sum is σ = 28883441664. Its totient is φ = 16015236480.

The previous prime is 22042345103. The next prime is 22042345123. The reversal of 22042345105 is 50154324022.

It is not a de Polignac number, because 22042345105 - 2¹ = 22042345103 is a prime.

It is a super-2 number, since 2×22042345105² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22042345103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137169 + ... + 250798.

It is an arithmetic number, because the mean of its divisors is an integer number (1805215104).

Almost surely, 2^22042345105 is an apocalyptic number.

It is an amenable number.

22042345105 is a deficient number, since it is larger than the sum of its proper divisors (6841096559).

22042345105 is a wasteful number, since it uses less digits than its factorization.

22042345105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389016.

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 22042345105 its reverse (50154324022), we get a palindrome (72196669127).

The spelling of 22042345105 in words is "twenty-two billion, forty-two million, three hundred forty-five thousand, one hundred five".