22044342145 has 16 divisors (see below), whose sum is σ = 30435148800. Its totient is φ = 15014666304.

The previous prime is 22044342143. The next prime is 22044342161. The reversal of 22044342145 is 54124344022.

It is a cyclic number.

It is not a de Polignac number, because 22044342145 - 2¹ = 22044342143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22044342143) 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, 2108337 + ... + 2118766.

It is an arithmetic number, because the mean of its divisors is an integer number (1902196800).

Almost surely, 2^22044342145 is an apocalyptic number.

It is an amenable number.

22044342145 is a deficient number, since it is larger than the sum of its proper divisors (8390806655).

22044342145 is a wasteful number, since it uses less digits than its factorization.

22044342145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4227264.

The product of its (nonzero) digits is 30720, while the sum is 31.

Adding to 22044342145 its reverse (54124344022), we get a palindrome (76168686167).

The spelling of 22044342145 in words is "twenty-two billion, forty-four million, three hundred forty-two thousand, one hundred forty-five".