382221201 has 4 divisors (see below), whose sum is σ = 509628272. Its totient is φ = 254814132.

The previous prime is 382221193. The next prime is 382221209. The reversal of 382221201 is 102122283.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (382221193) and next prime (382221209).

It is not a de Polignac number, because 382221201 - 2³ = 382221193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (382221209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63703531 + ... + 63703536.

It is an arithmetic number, because the mean of its divisors is an integer number (127407068).

Almost surely, 2^382221201 is an apocalyptic number.

It is an amenable number.

382221201 is a deficient number, since it is larger than the sum of its proper divisors (127407071).

382221201 is a wasteful number, since it uses less digits than its factorization.

382221201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127407070.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 382221201 is about 19550.4782805946. The cubic root of 382221201 is about 725.7241759703.

Adding to 382221201 its reverse (102122283), we get a palindrome (484343484).

The spelling of 382221201 in words is "three hundred eighty-two million, two hundred twenty-one thousand, two hundred one".