4290228 has 18 divisors (see below), whose sum is σ = 10844834. Its totient is φ = 1430064.

The previous prime is 4290217. The next prime is 4290233. The reversal of 4290228 is 8220924.

It can be written as a sum of positive squares in only one way, i.e., 4210704 + 79524 = 2052^2 + 282^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59551 + ... + 59622.

Almost surely, 2^4290228 is an apocalyptic number.

It is an amenable number.

4290228 is an abundant number, since it is smaller than the sum of its proper divisors (6554606).

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

4290228 is a wasteful number, since it uses less digits than its factorization.

4290228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119183 (or 119178 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 4290228 is about 2071.2865567082. The cubic root of 4290228 is about 162.4900569853.

The spelling of 4290228 in words is "four million, two hundred ninety thousand, two hundred twenty-eight".