22222243122013 has 48 divisors (see below), whose sum is σ = 25295321405952. Its totient is φ = 19358821000800.

The previous prime is 22222243122007. The next prime is 22222243122019. The reversal of 22222243122013 is 31022134222222.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22222243122007) and next prime (22222243122019).

It is not a de Polignac number, because 22222243122013 - 2²¹ = 22222241024861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22222243122019) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4351327606 + ... + 4351332712.

It is an arithmetic number, because the mean of its divisors is an integer number (526985862624).

Almost surely, 2^{22222243122013} is an apocalyptic number.

It is an amenable number.

22222243122013 is a deficient number, since it is larger than the sum of its proper divisors (3073078283939).

22222243122013 is a wasteful number, since it uses less digits than its factorization.

22222243122013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9134 (or 9103 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 22222243122013 its reverse (31022134222222), we get a palindrome (53244377344235).

The spelling of 22222243122013 in words is "twenty-two trillion, two hundred twenty-two billion, two hundred forty-three million, one hundred twenty-two thousand, thirteen".