355555220554222 has 8 divisors (see below), whose sum is σ = 574358433203016. Its totient is φ = 164102409486552.

The previous prime is 355555220554217. The next prime is 355555220554381. The reversal of 355555220554222 is 222455022555553.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×355555220554222² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 355555220554222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6837600395248 + ... + 6837600395299.

It is an arithmetic number, because the mean of its divisors is an integer number (71794804150377).

Almost surely, 2^{355555220554222} is an apocalyptic number.

355555220554222 is a deficient number, since it is larger than the sum of its proper divisors (218803212648794).

355555220554222 is a wasteful number, since it uses less digits than its factorization.

355555220554222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13675200790562.

The product of its (nonzero) digits is 30000000, while the sum is 52.

The spelling of 355555220554222 in words is "three hundred fifty-five trillion, five hundred fifty-five billion, two hundred twenty million, five hundred fifty-four thousand, two hundred twenty-two".