378273922 has 8 divisors (see below), whose sum is σ = 611057916. Its totient is φ = 174587952.

The previous prime is 378273901. The next prime is 378273923. The reversal of 378273922 is 229372873.

It can be written as a sum of positive squares in 2 ways, for example, as 365536161 + 12737761 = 19119^2 + 3569^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (378273923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7274473 + ... + 7274524.

Almost surely, 2^378273922 is an apocalyptic number.

378273922 is a deficient number, since it is larger than the sum of its proper divisors (232783994).

378273922 is a wasteful number, since it uses less digits than its factorization.

378273922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14549012.

The product of its digits is 254016, while the sum is 43.

The square root of 378273922 is about 19449.2653331688. The cubic root of 378273922 is about 723.2172907822.

The spelling of 378273922 in words is "three hundred seventy-eight million, two hundred seventy-three thousand, nine hundred twenty-two".