351423222 has 8 divisors (see below), whose sum is σ = 702846456. Its totient is φ = 117141072.

The previous prime is 351423199. The next prime is 351423229. The reversal of 351423222 is 222324153.

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

351423222 is an admirable number.

It is a super-2 number, since 2×351423222² = 246996561921722568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 351423192 and 351423201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (351423229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29285263 + ... + 29285274.

It is an arithmetic number, because the mean of its divisors is an integer number (87855807).

Almost surely, 2^351423222 is an apocalyptic number.

351423222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

351423222 is a wasteful number, since it uses less digits than its factorization.

351423222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58570542.

The product of its digits is 2880, while the sum is 24.

The square root of 351423222 is about 18746.2855520767. The cubic root of 351423222 is about 705.6838071343.

Adding to 351423222 its reverse (222324153), we get a palindrome (573747375).

The spelling of 351423222 in words is "three hundred fifty-one million, four hundred twenty-three thousand, two hundred twenty-two".