355222492661 has 2 divisors, whose sum is σ = 355222492662. Its totient is φ = 355222492660.

The previous prime is 355222492619. The next prime is 355222492663. The reversal of 355222492661 is 166294222553.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 349168719025 + 6053773636 = 590905^2 + 77806^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-355222492661 is a prime.

Together with 355222492663, 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 (355222492663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177611246330 + 177611246331.

It is an arithmetic number, because the mean of its divisors is an integer number (177611246331).

Almost surely, 2^355222492661 is an apocalyptic number.

It is an amenable number.

355222492661 is a deficient number, since it is larger than the sum of its proper divisors (1).

355222492661 is an equidigital number, since it uses as much as digits as its factorization.

355222492661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1555200, while the sum is 47.

The spelling of 355222492661 in words is "three hundred fifty-five billion, two hundred twenty-two million, four hundred ninety-two thousand, six hundred sixty-one".