381829226 has 4 divisors (see below), whose sum is σ = 572743842. Its totient is φ = 190914612.

The previous prime is 381829223. The next prime is 381829249. The reversal of 381829226 is 622928183.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 622928183 = 3793 ⋅164231.

It can be written as a sum of positive squares in only one way, i.e., 361570225 + 20259001 = 19015^2 + 4501^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (381829223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95457305 + ... + 95457308.

Almost surely, 2^381829226 is an apocalyptic number.

381829226 is a deficient number, since it is larger than the sum of its proper divisors (190914616).

381829226 is a wasteful number, since it uses less digits than its factorization.

381829226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190914615.

The product of its digits is 82944, while the sum is 41.

The square root of 381829226 is about 19540.4510183363. The cubic root of 381829226 is about 725.4760098733.

The spelling of 381829226 in words is "three hundred eighty-one million, eight hundred twenty-nine thousand, two hundred twenty-six".