4228444 has 24 divisors (see below), whose sum is σ = 8548848. Its totient is φ = 1808640.

The previous prime is 4228429. The next prime is 4228457. The reversal of 4228444 is 4448224.

It is a super-2 number, since 2×4228444² = 35759477322272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2079 + ... + 3574.

It is an arithmetic number, because the mean of its divisors is an integer number (356202).

Almost surely, 2^4228444 is an apocalyptic number.

4228444 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4228444 is an abundant number, since it is smaller than the sum of its proper divisors (4320404).

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

4228444 is a wasteful number, since it uses less digits than its factorization.

4228444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5685 (or 5683 counting only the distinct ones).

The product of its digits is 8192, while the sum is 28.

The square root of 4228444 is about 2056.3180687822. The cubic root of 4228444 is about 161.7062705727.

It can be divided in two parts, 42284 and 44, that multiplied together give a square (1860496 = 1364²).

The spelling of 4228444 in words is "four million, two hundred twenty-eight thousand, four hundred forty-four".