351425222 has 8 divisors (see below), whose sum is σ = 533061000. Its totient is φ = 173738224.

The previous prime is 351425183. The next prime is 351425287. The reversal of 351425222 is 222524153.

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 = 351425191 and 351425200.

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, 986972 + ... + 987327.

It is an arithmetic number, because the mean of its divisors is an integer number (66632625).

Almost surely, 2^351425222 is an apocalyptic number.

351425222 is a deficient number, since it is larger than the sum of its proper divisors (181635778).

351425222 is a wasteful number, since it uses less digits than its factorization.

351425222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1974390.

The product of its digits is 4800, while the sum is 26.

The square root of 351425222 is about 18746.3388959018. The cubic root of 351425222 is about 705.6851458477.

Adding to 351425222 its reverse (222524153), we get a palindrome (573949375).

The spelling of 351425222 in words is "three hundred fifty-one million, four hundred twenty-five thousand, two hundred twenty-two".