4225278 has 8 divisors (see below), whose sum is σ = 8450568. Its totient is φ = 1408424.

The previous prime is 4225237. The next prime is 4225283. The reversal of 4225278 is 8725224.

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

4225278 is an admirable number.

It is a d-powerful number, because it can be written as 4⁷ + 2¹³ + 2¹⁵ + 5⁹ + 2²¹ + 7⁶ + 8 .

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352101 + ... + 352112.

It is an arithmetic number, because the mean of its divisors is an integer number (1056321).

Almost surely, 2^4225278 is an apocalyptic number.

4225278 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4225278 is a wasteful number, since it uses less digits than its factorization.

4225278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704218.

The product of its digits is 8960, while the sum is 30.

The square root of 4225278 is about 2055.5481020886. The cubic root of 4225278 is about 161.6659019106.

The spelling of 4225278 in words is "four million, two hundred twenty-five thousand, two hundred seventy-eight".