359847221 has 8 divisors (see below), whose sum is σ = 361416600. Its totient is φ = 358282240.

The previous prime is 359847209. The next prime is 359847253. The reversal of 359847221 is 122748953.

It can be written as a sum of positive squares in 4 ways, for example, as 5880625 + 353966596 = 2425^2 + 18814^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-359847221 is a prime.

It is a super-2 number, since 2×359847221² = 258980044922845682, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (359847281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 386885 + ... + 387813.

It is an arithmetic number, because the mean of its divisors is an integer number (45177075).

Almost surely, 2^359847221 is an apocalyptic number.

It is an amenable number.

359847221 is a deficient number, since it is larger than the sum of its proper divisors (1569379).

359847221 is an equidigital number, since it uses as much as digits as its factorization.

359847221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2199.

The product of its digits is 120960, while the sum is 41.

The square root of 359847221 is about 18969.6394536111. The cubic root of 359847221 is about 711.2780135844.

The spelling of 359847221 in words is "three hundred fifty-nine million, eight hundred forty-seven thousand, two hundred twenty-one".