381357226 has 32 divisors (see below), whose sum is σ = 628992000. Its totient is φ = 172627200.

The previous prime is 381357217. The next prime is 381357247. The reversal of 381357226 is 622753183.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189775 + ... + 191773.

It is an arithmetic number, because the mean of its divisors is an integer number (19656000).

Almost surely, 2^381357226 is an apocalyptic number.

381357226 is a deficient number, since it is larger than the sum of its proper divisors (247634774).

381357226 is a wasteful number, since it uses less digits than its factorization.

381357226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2230.

The product of its digits is 60480, while the sum is 37.

The square root of 381357226 is about 19528.3697732299. The cubic root of 381357226 is about 725.1769530813.

The spelling of 381357226 in words is "three hundred eighty-one million, three hundred fifty-seven thousand, two hundred twenty-six".