222042040422131 has 4 divisors (see below), whose sum is σ = 227457699944664. Its totient is φ = 216626380899600.

The previous prime is 222042040422127. The next prime is 222042040422149. The reversal of 222042040422131 is 131224040240222.

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

It is a cyclic number.

It is not a de Polignac number, because 222042040422131 - 2² = 222042040422127 is a prime.

It is a super-2 number, since 2×222042040422131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222042040422094 and 222042040422103.

It is not an unprimeable number, because it can be changed into a prime (222042040422101) 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, 2707829761205 + ... + 2707829761286.

It is an arithmetic number, because the mean of its divisors is an integer number (56864424986166).

Almost surely, 2^{222042040422131} is an apocalyptic number.

222042040422131 is a deficient number, since it is larger than the sum of its proper divisors (5415659522533).

222042040422131 is an equidigital number, since it uses as much as digits as its factorization.

222042040422131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5415659522532.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 222042040422131 its reverse (131224040240222), we get a palindrome (353266080662353).

The spelling of 222042040422131 in words is "two hundred twenty-two trillion, forty-two billion, forty million, four hundred twenty-two thousand, one hundred thirty-one".