4392228 has 12 divisors (see below), whose sum is σ = 10248560. Its totient is φ = 1464072.

The previous prime is 4392221. The next prime is 4392259. The reversal of 4392228 is 8222934.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a d-powerful number, because it can be written as 4⁴ + 3¹¹ + 9 + 2⁵ + 2¹⁴ + 2²² + 8⁴ .

It is a nialpdrome in base 7.

It is a junction number, because it is equal to n+sod(n) for n = 4392195 and 4392204.

It is not an unprimeable number, because it can be changed into a prime (4392221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182998 + ... + 183021.

Almost surely, 2^4392228 is an apocalyptic number.

It is an amenable number.

4392228 is an abundant number, since it is smaller than the sum of its proper divisors (5856332).

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

4392228 is a wasteful number, since it uses less digits than its factorization.

4392228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366026 (or 366024 counting only the distinct ones).

The product of its digits is 6912, while the sum is 30.

The square root of 4392228 is about 2095.7642997246. The cubic root of 4392228 is about 163.7677159707.

The spelling of 4392228 in words is "four million, three hundred ninety-two thousand, two hundred twenty-eight".