352222522 has 4 divisors (see below), whose sum is σ = 528333786. Its totient is φ = 176111260.

The previous prime is 352222517. The next prime is 352222523. The reversal of 352222522 is 225222253.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 225222253 = 5591 ⋅40283.

It can be written as a sum of positive squares in only one way, i.e., 351600001 + 622521 = 18751^2 + 789^2 .

It is not an unprimeable number, because it can be changed into a prime (352222523) 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 as a sum of consecutive naturals, namely, 88055629 + ... + 88055632.

Almost surely, 2^352222522 is an apocalyptic number.

352222522 is a deficient number, since it is larger than the sum of its proper divisors (176111264).

352222522 is a wasteful number, since it uses less digits than its factorization.

352222522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176111263.

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

The square root of 352222522 is about 18767.5923335946. The cubic root of 352222522 is about 706.2184198477.

Adding to 352222522 its reverse (225222253), we get a palindrome (577444775).

The spelling of 352222522 in words is "three hundred fifty-two million, two hundred twenty-two thousand, five hundred twenty-two".