222144201313 has 4 divisors (see below), whose sum is σ = 222168427668. Its totient is φ = 222119974960.

The previous prime is 222144201283. The next prime is 222144201319. The reversal of 222144201313 is 313102441222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 313102441222 = 2 ⋅156551220611.

It can be written as a sum of positive squares in 2 ways, for example, as 28325899809 + 193818301504 = 168303^2 + 440248^2 .

It is a cyclic number.

It is not a de Polignac number, because 222144201313 - 2⁹ = 222144200801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222144201319) 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, 12099418 + ... + 12117763.

It is an arithmetic number, because the mean of its divisors is an integer number (55542106917).

Almost surely, 2^222144201313 is an apocalyptic number.

It is an amenable number.

222144201313 is a deficient number, since it is larger than the sum of its proper divisors (24226355).

222144201313 is an equidigital number, since it uses as much as digits as its factorization.

222144201313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24226354.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 222144201313 its reverse (313102441222), we get a palindrome (535246642535).

The spelling of 222144201313 in words is "two hundred twenty-two billion, one hundred forty-four million, two hundred one thousand, three hundred thirteen".