381872223 has 12 divisors (see below), whose sum is σ = 553160400. Its totient is φ = 253858176.

The previous prime is 381872201. The next prime is 381872233. The reversal of 381872223 is 322278183.

It is a happy number.

It is not a de Polignac number, because 381872223 - 2⁶ = 381872159 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381872233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56923 + ... + 63276.

It is an arithmetic number, because the mean of its divisors is an integer number (46096700).

Almost surely, 2^381872223 is an apocalyptic number.

381872223 is a deficient number, since it is larger than the sum of its proper divisors (171288177).

381872223 is a wasteful number, since it uses less digits than its factorization.

381872223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120558 (or 120555 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 381872223 is about 19541.5511922672. The cubic root of 381872223 is about 725.5032403025.

The spelling of 381872223 in words is "three hundred eighty-one million, eight hundred seventy-two thousand, two hundred twenty-three".