381803226 has 32 divisors (see below), whose sum is σ = 873299328. Its totient is φ = 109010880.

The previous prime is 381803189. The next prime is 381803251. The reversal of 381803226 is 622308183.

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, 91236 + ... + 95328.

It is an arithmetic number, because the mean of its divisors is an integer number (27290604).

Almost surely, 2^381803226 is an apocalyptic number.

381803226 is an abundant number, since it is smaller than the sum of its proper divisors (491496102).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

381803226 is a wasteful number, since it uses less digits than its factorization.

381803226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6326.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 381803226 is about 19539.7857204218. The cubic root of 381803226 is about 725.4595428219.

The spelling of 381803226 in words is "three hundred eighty-one million, eight hundred three thousand, two hundred twenty-six".