351622 has 4 divisors (see below), whose sum is σ = 527436. Its totient is φ = 175810.

The previous prime is 351599. The next prime is 351643. The reversal of 351622 is 226153.

It is a happy number.

351622 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 226153 = 139 ⋅1627.

It is a self number, because there is not a number n which added to its sum of digits gives 351622.

It is a congruent number.

It is an unprimeable number.

351622 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 87904 + ... + 87907.

It is an arithmetic number, because the mean of its divisors is an integer number (131859).

2³⁵¹⁶²² is an apocalyptic number.

351622 is a deficient number, since it is larger than the sum of its proper divisors (175814).

351622 is a wasteful number, since it uses less digits than its factorization.

351622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175813.

The product of its digits is 360, while the sum is 19.

The square root of 351622 is about 592.9772339643. The cubic root of 351622 is about 70.5816835695.

Adding to 351622 its reverse (226153), we get a palindrome (577775).

The spelling of 351622 in words is "three hundred fifty-one thousand, six hundred twenty-two".