224712445650461 has 2 divisors, whose sum is σ = 224712445650462. Its totient is φ = 224712445650460.

The previous prime is 224712445650449. The next prime is 224712445650481. The reversal of 224712445650461 is 164056544217422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119760739425625 + 104951706224836 = 10943525^2 + 10244594^2 .

It is a cyclic number.

It is not a de Polignac number, because 224712445650461 - 2⁴² = 220314399139357 is a prime.

It is a super-2 number, since 2×224712445650461² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224712445650481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112356222825230 + 112356222825231.

It is an arithmetic number, because the mean of its divisors is an integer number (112356222825231).

Almost surely, 2^{224712445650461} is an apocalyptic number.

It is an amenable number.

224712445650461 is a deficient number, since it is larger than the sum of its proper divisors (1).

224712445650461 is an equidigital number, since it uses as much as digits as its factorization.

224712445650461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12902400, while the sum is 53.

Adding to 224712445650461 its reverse (164056544217422), we get a palindrome (388768989867883).

The spelling of 224712445650461 in words is "two hundred twenty-four trillion, seven hundred twelve billion, four hundred forty-five million, six hundred fifty thousand, four hundred sixty-one".