4224678 has 16 divisors (see below), whose sum is σ = 8507136. Its totient is φ = 1398600.

The previous prime is 4224673. The next prime is 4224679. The reversal of 4224678 is 8764224.

4224678 = T₁₅₇ + T₁₅₈ + ... + T₃₀₇.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4224673) 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, 1426 + ... + 3237.

It is an arithmetic number, because the mean of its divisors is an integer number (531696).

Almost surely, 2^4224678 is an apocalyptic number.

4224678 is an abundant number, since it is smaller than the sum of its proper divisors (4282458).

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

4224678 is a wasteful number, since it uses less digits than its factorization.

4224678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4819.

The product of its digits is 21504, while the sum is 33.

The square root of 4224678 is about 2055.4021504319. The cubic root of 4224678 is about 161.6582492281.

It can be divided in two parts, 42246 and 78, that added together give a palindrome (42324).

The spelling of 4224678 in words is "four million, two hundred twenty-four thousand, six hundred seventy-eight".