4225558 has 4 divisors (see below), whose sum is σ = 6338340. Its totient is φ = 2112778.

The previous prime is 4225549. The next prime is 4225589. The reversal of 4225558 is 8555224.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×4225558³ (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056388 + ... + 1056391.

It is an arithmetic number, because the mean of its divisors is an integer number (1584585).

Almost surely, 2^4225558 is an apocalyptic number.

4225558 is a deficient number, since it is larger than the sum of its proper divisors (2112782).

4225558 is a wasteful number, since it uses less digits than its factorization.

4225558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2112781.

The product of its digits is 16000, while the sum is 31.

The square root of 4225558 is about 2055.6162093153. The cubic root of 4225558 is about 161.6694729145.

It can be divided in two parts, 42 and 25558, that added together give a square (25600 = 160²).

The spelling of 4225558 in words is "four million, two hundred twenty-five thousand, five hundred fifty-eight".