378205227 has 16 divisors (see below), whose sum is σ = 560603680. Its totient is φ = 252002016.

The previous prime is 378205213. The next prime is 378205249. The reversal of 378205227 is 722502873.

It is a happy number.

It is not a de Polignac number, because 378205227 - 2¹¹ = 378203179 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 378205191 and 378205200.

It is not an unprimeable number, because it can be changed into a prime (378205027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95613 + ... + 99489.

It is an arithmetic number, because the mean of its divisors is an integer number (35037730).

Almost surely, 2^378205227 is an apocalyptic number.

378205227 is a deficient number, since it is larger than the sum of its proper divisors (182398453).

378205227 is a wasteful number, since it uses less digits than its factorization.

378205227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7499 (or 7493 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 378205227 is about 19447.4992479753. The cubic root of 378205227 is about 723.1735090880.

The spelling of 378205227 in words is "three hundred seventy-eight million, two hundred five thousand, two hundred twenty-seven".