2223773314661 has 2 divisors, whose sum is σ = 2223773314662. Its totient is φ = 2223773314660.

The previous prime is 2223773314627. The next prime is 2223773314663. The reversal of 2223773314661 is 1664133773222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1593575492161 + 630197822500 = 1262369^2 + 793850^2 .

It is a cyclic number.

It is not a de Polignac number, because 2223773314661 - 2²⁶ = 2223706205797 is a prime.

Together with 2223773314663, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2223773314663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111886657330 + 1111886657331.

It is an arithmetic number, because the mean of its divisors is an integer number (1111886657331).

Almost surely, 2^{2223773314661} is an apocalyptic number.

It is an amenable number.

2223773314661 is a deficient number, since it is larger than the sum of its proper divisors (1).

2223773314661 is an equidigital number, since it uses as much as digits as its factorization.

2223773314661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1524096, while the sum is 47.

The spelling of 2223773314661 in words is "two trillion, two hundred twenty-three billion, seven hundred seventy-three million, three hundred fourteen thousand, six hundred sixty-one".