224025261002021 has 2 divisors, whose sum is σ = 224025261002022. Its totient is φ = 224025261002020.

The previous prime is 224025261002003. The next prime is 224025261002033. The reversal of 224025261002021 is 120200162520422.

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., 189309007799521 + 34716253202500 = 13758961^2 + 5892050^2 .

It is a cyclic number.

It is not a de Polignac number, because 224025261002021 - 2¹⁰ = 224025261000997 is a prime.

It is a super-2 number, since 2×224025261002021² (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 (224025261002051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112012630501010 + 112012630501011.

It is an arithmetic number, because the mean of its divisors is an integer number (112012630501011).

Almost surely, 2^{224025261002021} is an apocalyptic number.

It is an amenable number.

224025261002021 is a deficient number, since it is larger than the sum of its proper divisors (1).

224025261002021 is an equidigital number, since it uses as much as digits as its factorization.

224025261002021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7680, while the sum is 29.

The spelling of 224025261002021 in words is "two hundred twenty-four trillion, twenty-five billion, two hundred sixty-one million, two thousand, twenty-one".