224440121431 has 2 divisors, whose sum is σ = 224440121432. Its totient is φ = 224440121430.

The previous prime is 224440121419. The next prime is 224440121443. The reversal of 224440121431 is 134121044422.

It is a balanced prime because it is at equal distance from previous prime (224440121419) and next prime (224440121443).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-224440121431 is a prime.

It is a super-2 number, since 2×224440121431² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 224440121431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224440121471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112220060715 + 112220060716.

It is an arithmetic number, because the mean of its divisors is an integer number (112220060716).

Almost surely, 2^224440121431 is an apocalyptic number.

224440121431 is a deficient number, since it is larger than the sum of its proper divisors (1).

224440121431 is an equidigital number, since it uses as much as digits as its factorization.

224440121431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 224440121431 its reverse (134121044422), we get a palindrome (358561165853).

The spelling of 224440121431 in words is "two hundred twenty-four billion, four hundred forty million, one hundred twenty-one thousand, four hundred thirty-one".