3222378 has 12 divisors (see below), whose sum is σ = 6981858. Its totient is φ = 1074120.

The previous prime is 3222337. The next prime is 3222379. The reversal of 3222378 is 8732223.

3222378 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3017169 + 205209 = 1737^2 + 453^2 .

It is not an unprimeable number, because it can be changed into a prime (3222379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 89493 + ... + 89528.

Almost surely, 2^3222378 is an apocalyptic number.

3222378 is an abundant number, since it is smaller than the sum of its proper divisors (3759480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3222378 is a wasteful number, since it uses less digits than its factorization.

3222378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179029 (or 179026 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 3222378 is about 1795.0983259978. The cubic root of 3222378 is about 147.7039675540.

It can be divided in two parts, 3222 and 378, that added together give a square (3600 = 60²).

The spelling of 3222378 in words is "three million, two hundred twenty-two thousand, three hundred seventy-eight".