352021227 has 32 divisors (see below), whose sum is σ = 541209600. Its totient is φ = 202019328.

The previous prime is 352021171. The next prime is 352021231. The reversal of 352021227 is 722120253.

It is a happy number.

It is not a de Polignac number, because 352021227 - 2⁷ = 352021099 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 352021197 and 352021206.

It is not an unprimeable number, because it can be changed into a prime (352021247) 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 in 31 ways as a sum of consecutive naturals, for example, 21838 + ... + 34364.

It is an arithmetic number, because the mean of its divisors is an integer number (16912800).

Almost surely, 2^352021227 is an apocalyptic number.

352021227 is a deficient number, since it is larger than the sum of its proper divisors (189188373).

352021227 is a wasteful number, since it uses less digits than its factorization.

352021227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12595.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 352021227 is about 18762.2287322162. The cubic root of 352021227 is about 706.0838597163.

The spelling of 352021227 in words is "three hundred fifty-two million, twenty-one thousand, two hundred twenty-seven".