352220436 has 36 divisors (see below), whose sum is σ = 929047392. Its totient is φ = 112301904.

The previous prime is 352220417. The next prime is 352220443. The reversal of 352220436 is 634022253.

352220436 is a `hidden beast` number, since 3 + 5 + 2 + 220 + 436 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 211866 + ... + 213521.

It is an arithmetic number, because the mean of its divisors is an integer number (25806872).

Almost surely, 2^352220436 is an apocalyptic number.

352220436 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

352220436 is an abundant number, since it is smaller than the sum of its proper divisors (576826956).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

352220436 is a wasteful number, since it uses less digits than its factorization.

352220436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425420 (or 425415 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 352220436 is about 18767.5367589889. The cubic root of 352220436 is about 706.2170256774.

Adding to 352220436 its reverse (634022253), we get a palindrome (986242689).

The spelling of 352220436 in words is "three hundred fifty-two million, two hundred twenty thousand, four hundred thirty-six".