352223624 has 8 divisors (see below), whose sum is σ = 660419310. Its totient is φ = 176111808.

The previous prime is 352223611. The next prime is 352223659. The reversal of 352223624 is 426322253.

It can be written as a sum of positive squares in only one way, i.e., 295221124 + 57002500 = 17182^2 + 7550^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×352223624² = 248122962607386752, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22013969 + ... + 22013984.

Almost surely, 2^352223624 is an apocalyptic number.

It is an amenable number.

352223624 is a deficient number, since it is larger than the sum of its proper divisors (308195686).

352223624 is a wasteful number, since it uses less digits than its factorization.

352223624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44027959 (or 44027955 counting only the distinct ones).

The product of its digits is 17280, while the sum is 29.

The square root of 352223624 is about 18767.6216926919. The cubic root of 352223624 is about 706.2191563631.

Adding to 352223624 its reverse (426322253), we get a palindrome (778545877).

The spelling of 352223624 in words is "three hundred fifty-two million, two hundred twenty-three thousand, six hundred twenty-four".