378224655 has 16 divisors (see below), whose sum is σ = 605657184. Its totient is φ = 201553920.

The previous prime is 378224629. The next prime is 378224663. The reversal of 378224655 is 556422873.

It is not a de Polignac number, because 378224655 - 2⁷ = 378224527 is a prime.

It is a congruent number.

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, 9735 + ... + 29175.

It is an arithmetic number, because the mean of its divisors is an integer number (37853574).

Almost surely, 2^378224655 is an apocalyptic number.

378224655 is a deficient number, since it is larger than the sum of its proper divisors (227432529).

378224655 is a wasteful number, since it uses less digits than its factorization.

378224655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20746.

The product of its digits is 403200, while the sum is 42.

The square root of 378224655 is about 19447.9987402303. The cubic root of 378224655 is about 723.1858917605.

The spelling of 378224655 in words is "three hundred seventy-eight million, two hundred twenty-four thousand, six hundred fifty-five".