2302240105661 has 2 divisors, whose sum is σ = 2302240105662. Its totient is φ = 2302240105660.

The previous prime is 2302240105657. The next prime is 2302240105687. The reversal of 2302240105661 is 1665010422032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2075273617561 + 226966488100 = 1440581^2 + 476410^2 .

It is a cyclic number.

It is not a de Polignac number, because 2302240105661 - 2² = 2302240105657 is a prime.

It is a super-2 number, since 2×2302240105661² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2302240105261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1151120052830 + 1151120052831.

It is an arithmetic number, because the mean of its divisors is an integer number (1151120052831).

Almost surely, 2^{2302240105661} is an apocalyptic number.

It is an amenable number.

2302240105661 is a deficient number, since it is larger than the sum of its proper divisors (1).

2302240105661 is an equidigital number, since it uses as much as digits as its factorization.

2302240105661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 2302240105661 its reverse (1665010422032), we get a palindrome (3967250527693).

The spelling of 2302240105661 in words is "two trillion, three hundred two billion, two hundred forty million, one hundred five thousand, six hundred sixty-one".