2202241434521 has 2 divisors, whose sum is σ = 2202241434522. Its totient is φ = 2202241434520.

The previous prime is 2202241434517. The next prime is 2202241434541. The reversal of 2202241434521 is 1254341422022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1124371812496 + 1077869622025 = 1060364^2 + 1038205^2 .

It is a cyclic number.

It is not a de Polignac number, because 2202241434521 - 2² = 2202241434517 is a prime.

It is a super-2 number, since 2×2202241434521² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2202241434541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1101120717260 + 1101120717261.

It is an arithmetic number, because the mean of its divisors is an integer number (1101120717261).

Almost surely, 2^{2202241434521} is an apocalyptic number.

It is an amenable number.

2202241434521 is a deficient number, since it is larger than the sum of its proper divisors (1).

2202241434521 is an equidigital number, since it uses as much as digits as its factorization.

2202241434521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 2202241434521 its reverse (1254341422022), we get a palindrome (3456582856543).

The spelling of 2202241434521 in words is "two trillion, two hundred two billion, two hundred forty-one million, four hundred thirty-four thousand, five hundred twenty-one".