224446405400669 has 2 divisors, whose sum is σ = 224446405400670. Its totient is φ = 224446405400668.

The previous prime is 224446405400653. The next prime is 224446405400683. The reversal of 224446405400669 is 966004504644422.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 217183973288569 + 7262432112100 = 14737163^2 + 2694890^2 .

It is a cyclic number.

It is not a de Polignac number, because 224446405400669 - 2⁴ = 224446405400653 is a prime.

It is a super-2 number, since 2×224446405400669² (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 (224446405400629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112223202700334 + 112223202700335.

It is an arithmetic number, because the mean of its divisors is an integer number (112223202700335).

Almost surely, 2^{224446405400669} is an apocalyptic number.

It is an amenable number.

224446405400669 is a deficient number, since it is larger than the sum of its proper divisors (1).

224446405400669 is an equidigital number, since it uses as much as digits as its factorization.

224446405400669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39813120, while the sum is 56.

The spelling of 224446405400669 in words is "two hundred twenty-four trillion, four hundred forty-six billion, four hundred five million, four hundred thousand, six hundred sixty-nine".