352533221 has 16 divisors (see below), whose sum is σ = 366911424. Its totient is φ = 338494464.

The previous prime is 352533217. The next prime is 352533253. The reversal of 352533221 is 122335253.

It is a cyclic number.

It is not a de Polignac number, because 352533221 - 2² = 352533217 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (352533281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 887795 + ... + 888191.

It is an arithmetic number, because the mean of its divisors is an integer number (22931964).

Almost surely, 2^352533221 is an apocalyptic number.

It is an amenable number.

352533221 is a deficient number, since it is larger than the sum of its proper divisors (14378203).

352533221 is a wasteful number, since it uses less digits than its factorization.

352533221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740.

The product of its digits is 5400, while the sum is 26.

The square root of 352533221 is about 18775.8680491742. The cubic root of 352533221 is about 706.4260129239.

Adding to 352533221 its reverse (122335253), we get a palindrome (474868474).

The spelling of 352533221 in words is "three hundred fifty-two million, five hundred thirty-three thousand, two hundred twenty-one".