345620222 has 8 divisors (see below), whose sum is σ = 545716200. Its totient is φ = 163714824.

The previous prime is 345620221. The next prime is 345620227. The reversal of 345620222 is 222026543.

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

It is a junction number, because it is equal to n+sod(n) for n = 345620191 and 345620200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345620221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4547597 + ... + 4547672.

It is an arithmetic number, because the mean of its divisors is an integer number (68214525).

Almost surely, 2^345620222 is an apocalyptic number.

345620222 is a deficient number, since it is larger than the sum of its proper divisors (200095978).

345620222 is a wasteful number, since it uses less digits than its factorization.

345620222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9095290.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 345620222 is about 18590.8639390427. The cubic root of 345620222 is about 701.7779442853. Note that the first 3 decimals are identical.

Adding to 345620222 its reverse (222026543), we get a palindrome (567646765).

The spelling of 345620222 in words is "three hundred forty-five million, six hundred twenty thousand, two hundred twenty-two".