355123222 has 16 divisors (see below), whose sum is σ = 548048592. Its totient is φ = 172478080.

The previous prime is 355123207. The next prime is 355123231. The reversal of 355123222 is 222321553.

It is a super-2 number, since 2×355123222² = 252225005607322568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9813 + ... + 28399.

It is an arithmetic number, because the mean of its divisors is an integer number (34253037).

Almost surely, 2^355123222 is an apocalyptic number.

355123222 is a deficient number, since it is larger than the sum of its proper divisors (192925370).

355123222 is a wasteful number, since it uses less digits than its factorization.

355123222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18863.

The product of its digits is 3600, while the sum is 25.

The square root of 355123222 is about 18844.7133700675. The cubic root of 355123222 is about 708.1517903134.

Adding to 355123222 its reverse (222321553), we get a palindrome (577444775).

The spelling of 355123222 in words is "three hundred fifty-five million, one hundred twenty-three thousand, two hundred twenty-two".