4722278 has 16 divisors (see below), whose sum is σ = 7893504. Its totient is φ = 2100360.

The previous prime is 4722271. The next prime is 4722283. The reversal of 4722278 is 8722274.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4722271) 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, 1250 + ... + 3317.

It is an arithmetic number, because the mean of its divisors is an integer number (493344).

Almost surely, 2^4722278 is an apocalyptic number.

4722278 is a deficient number, since it is larger than the sum of its proper divisors (3171226).

4722278 is a wasteful number, since it uses less digits than its factorization.

4722278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4627.

The product of its digits is 12544, while the sum is 32.

The square root of 4722278 is about 2173.0803022438. The cubic root of 4722278 is about 167.7711121458.

The spelling of 4722278 in words is "four million, seven hundred twenty-two thousand, two hundred seventy-eight".