222144122041 has 4 divisors (see below), whose sum is σ = 222780638500. Its totient is φ = 221507605584.

The previous prime is 222144122033. The next prime is 222144122087. The reversal of 222144122041 is 140221441222.

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 107253630016 + 114890492025 = 327496^2 + 338955^2 .

It is a cyclic number.

It is not a de Polignac number, because 222144122041 - 2³ = 222144122033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222144121997 and 222144122015.

It is not an unprimeable number, because it can be changed into a prime (222144122341) 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, 318257706 + ... + 318258403.

It is an arithmetic number, because the mean of its divisors is an integer number (55695159625).

Almost surely, 2^222144122041 is an apocalyptic number.

It is an amenable number.

222144122041 is a deficient number, since it is larger than the sum of its proper divisors (636516459).

222144122041 is an equidigital number, since it uses as much as digits as its factorization.

222144122041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636516458.

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 222144122041 its reverse (140221441222), we get a palindrome (362365563263).

The spelling of 222144122041 in words is "two hundred twenty-two billion, one hundred forty-four million, one hundred twenty-two thousand, forty-one".