4178226 has 64 divisors (see below), whose sum is σ = 10015488. Its totient is φ = 1148928.

The previous prime is 4178221. The next prime is 4178261. The reversal of 4178226 is 6228714.

It is a d-powerful number, because it can be written as 4⁹ + 1 + 7² + 8⁷ + 2¹³ + 2¹⁷ + 6⁸ .

It is a junction number, because it is equal to n+sod(n) for n = 4178193 and 4178202.

It is not an unprimeable number, because it can be changed into a prime (4178221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30430 + ... + 30566.

It is an arithmetic number, because the mean of its divisors is an integer number (156492).

Almost surely, 2^4178226 is an apocalyptic number.

4178226 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 4178226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5007744).

4178226 is an abundant number, since it is smaller than the sum of its proper divisors (5837262).

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

4178226 is a wasteful number, since it uses less digits than its factorization.

4178226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195.

The product of its digits is 5376, while the sum is 30.

The square root of 4178226 is about 2044.0709381037. The cubic root of 4178226 is about 161.0635655536.

The spelling of 4178226 in words is "four million, one hundred seventy-eight thousand, two hundred twenty-six".