378222873 has 16 divisors (see below), whose sum is σ = 606673920. Its totient is φ = 204752016.

The previous prime is 378222857. The next prime is 378222907.

378222873 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 378222873 - 2⁴ = 378222857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (378222673) 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, 473565 + ... + 474362.

It is an arithmetic number, because the mean of its divisors is an integer number (37917120).

Almost surely, 2^378222873 is an apocalyptic number.

It is an amenable number.

378222873 is a deficient number, since it is larger than the sum of its proper divisors (228451047).

378222873 is a wasteful number, since it uses less digits than its factorization.

378222873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947956.

The product of its digits is 225792, while the sum is 42.

The square root of 378222873 is about 19447.9529256937. The cubic root of 378222873 is about 723.1847559987.

The spelling of 378222873 in words is "three hundred seventy-eight million, two hundred twenty-two thousand, eight hundred seventy-three".