7228378 has 16 divisors (see below), whose sum is σ = 11115360. Its totient is φ = 3524400.

The previous prime is 7228373. The next prime is 7228391. The reversal of 7228378 is 8738227.

It is not an unprimeable number, because it can be changed into a prime (7228373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21673 + ... + 22003.

It is an arithmetic number, because the mean of its divisors is an integer number (694710).

Almost surely, 2^7228378 is an apocalyptic number.

7228378 is a deficient number, since it is larger than the sum of its proper divisors (3886982).

7228378 is a wasteful number, since it uses less digits than its factorization.

7228378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573.

The product of its digits is 37632, while the sum is 37.

The square root of 7228378 is about 2688.5643008863. The cubic root of 7228378 is about 193.3512356259.

It can be divided in two parts, 72283 and 78, that added together give a square (72361 = 269²).

The spelling of 7228378 in words is "seven million, two hundred twenty-eight thousand, three hundred seventy-eight".