378522227 has 4 divisors (see below), whose sum is σ = 382424616. Its totient is φ = 374619840.

The previous prime is 378522203. The next prime is 378522233. The reversal of 378522227 is 722225873.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 378522227 - 2¹⁰ = 378521203 is a prime.

It is a super-3 number, since 3×378522227³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (378525227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1951049 + ... + 1951242.

It is an arithmetic number, because the mean of its divisors is an integer number (95606154).

Almost surely, 2^378522227 is an apocalyptic number.

378522227 is a deficient number, since it is larger than the sum of its proper divisors (3902389).

378522227 is an equidigital number, since it uses as much as digits as its factorization.

378522227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3902388.

The product of its digits is 94080, while the sum is 38.

The square root of 378522227 is about 19455.6476890388. The cubic root of 378522227 is about 723.3754999357.

The spelling of 378522227 in words is "three hundred seventy-eight million, five hundred twenty-two thousand, two hundred twenty-seven".