378224419 has 2 divisors, whose sum is σ = 378224420. Its totient is φ = 378224418.

The previous prime is 378224417. The next prime is 378224423. The reversal of 378224419 is 914422873.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 378224419 - 2¹ = 378224417 is a prime.

It is a super-2 number, since 2×378224419² = 286107422255775122, which contains 22 as substring.

Together with 378224417, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (378224411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189112209 + 189112210.

It is an arithmetic number, because the mean of its divisors is an integer number (189112210).

Almost surely, 2^378224419 is an apocalyptic number.

378224419 is a deficient number, since it is larger than the sum of its proper divisors (1).

378224419 is an equidigital number, since it uses as much as digits as its factorization.

378224419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 40.

The square root of 378224419 is about 19447.9926727670. The cubic root of 378224419 is about 723.1857413455.

The spelling of 378224419 in words is "three hundred seventy-eight million, two hundred twenty-four thousand, four hundred nineteen".