22142315005545 has 96 divisors (see below), whose sum is σ = 41412764678400. Its totient is φ = 10072954644480.

The previous prime is 22142315005543. The next prime is 22142315005553. The reversal of 22142315005545 is 54550051324122.

It is not a de Polignac number, because 22142315005545 - 2¹ = 22142315005543 is a prime.

It is a super-2 number, since 2×22142315005545² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22142315005543) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 137722605 + ... + 137883285.

It is an arithmetic number, because the mean of its divisors is an integer number (431382965400).

Almost surely, 2^{22142315005545} is an apocalyptic number.

It is an amenable number.

22142315005545 is a deficient number, since it is larger than the sum of its proper divisors (19270449672855).

22142315005545 is a wasteful number, since it uses less digits than its factorization.

22142315005545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161615 (or 161608 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 39.

Adding to 22142315005545 its reverse (54550051324122), we get a palindrome (76692366329667).

The spelling of 22142315005545 in words is "twenty-two trillion, one hundred forty-two billion, three hundred fifteen million, five thousand, five hundred forty-five".