22222323140345 has 32 divisors (see below), whose sum is σ = 28100880910080. Its totient is φ = 16823839760640.

The previous prime is 22222323140341. The next prime is 22222323140419. The reversal of 22222323140345 is 54304132322222.

It is a happy number.

It is not a de Polignac number, because 22222323140345 - 2² = 22222323140341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22222323140341) 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, 984453479 + ... + 984476051.

It is an arithmetic number, because the mean of its divisors is an integer number (878152528440).

Almost surely, 2^{22222323140345} is an apocalyptic number.

It is an amenable number.

22222323140345 is a deficient number, since it is larger than the sum of its proper divisors (5878557769735).

22222323140345 is a wasteful number, since it uses less digits than its factorization.

22222323140345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33425.

The product of its (nonzero) digits is 138240, while the sum is 35.

Adding to 22222323140345 its reverse (54304132322222), we get a palindrome (76526455462567).

The spelling of 22222323140345 in words is "twenty-two trillion, two hundred twenty-two billion, three hundred twenty-three million, one hundred forty thousand, three hundred forty-five".