22342222204213 has 4 divisors (see below), whose sum is σ = 22396848664780. Its totient is φ = 22287595743648.

The previous prime is 22342222204171. The next prime is 22342222204231. The reversal of 22342222204213 is 31240222224322.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16271921619409 + 6070300584804 = 4033847^2 + 2463798^2 .

It is a cyclic number.

It is not a de Polignac number, because 22342222204213 - 2⁹ = 22342222203701 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 (22342222204273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27313229670 + ... + 27313230487.

It is an arithmetic number, because the mean of its divisors is an integer number (5599212166195).

Almost surely, 2^{22342222204213} is an apocalyptic number.

It is an amenable number.

22342222204213 is a deficient number, since it is larger than the sum of its proper divisors (54626460567).

22342222204213 is an equidigital number, since it uses as much as digits as its factorization.

22342222204213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54626460566.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 22342222204213 its reverse (31240222224322), we get a palindrome (53582444428535).

The spelling of 22342222204213 in words is "twenty-two trillion, three hundred forty-two billion, two hundred twenty-two million, two hundred four thousand, two hundred thirteen".