222044021431 has 4 divisors (see below), whose sum is σ = 224333135152. Its totient is φ = 219754907712.

The previous prime is 222044021387. The next prime is 222044021483. The reversal of 222044021431 is 134120440222.

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 222044021431 - 2²⁹ = 221507150519 is a prime.

It is a super-2 number, since 2×222044021431² (a number of 23 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 = 222044021396 and 222044021405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222044051431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1144556715 + ... + 1144556908.

It is an arithmetic number, because the mean of its divisors is an integer number (56083283788).

Almost surely, 2^222044021431 is an apocalyptic number.

222044021431 is a deficient number, since it is larger than the sum of its proper divisors (2289113721).

222044021431 is an equidigital number, since it uses as much as digits as its factorization.

222044021431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2289113720.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 222044021431 its reverse (134120440222), we get a palindrome (356164461653).

The spelling of 222044021431 in words is "two hundred twenty-two billion, forty-four million, twenty-one thousand, four hundred thirty-one".