375813221 has 8 divisors (see below), whose sum is σ = 429859584. Its totient is φ = 321856560.

The previous prime is 375813187. The next prime is 375813241. The reversal of 375813221 is 122318573.

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

It is a cyclic number.

It is not a de Polignac number, because 375813221 - 2¹⁰ = 375812197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (375813241) 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, 13190 + ... + 30423.

It is an arithmetic number, because the mean of its divisors is an integer number (53732448).

Almost surely, 2^375813221 is an apocalyptic number.

It is an amenable number.

375813221 is a deficient number, since it is larger than the sum of its proper divisors (54046363).

375813221 is a wasteful number, since it uses less digits than its factorization.

375813221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44851.

The product of its digits is 10080, while the sum is 32.

The square root of 375813221 is about 19385.9026356783. The cubic root of 375813221 is about 721.6456833026.

The spelling of 375813221 in words is "three hundred seventy-five million, eight hundred thirteen thousand, two hundred twenty-one".