352405222 has 12 divisors (see below), whose sum is σ = 572398380. Its totient is φ = 162648408.

The previous prime is 352405213. The next prime is 352405231. The reversal of 352405222 is 222504253.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (352405213) and next prime (352405231).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 520972 + ... + 521647.

It is an arithmetic number, because the mean of its divisors is an integer number (47699865).

Almost surely, 2^352405222 is an apocalyptic number.

352405222 is a deficient number, since it is larger than the sum of its proper divisors (219993158).

352405222 is a wasteful number, since it uses less digits than its factorization.

352405222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042647 (or 1042634 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 352405222 is about 18772.4591356593. The cubic root of 352405222 is about 706.3405053617.

Adding to 352405222 its reverse (222504253), we get a palindrome (574909475).

The spelling of 352405222 in words is "three hundred fifty-two million, four hundred five thousand, two hundred twenty-two".