4226440 has 32 divisors (see below), whose sum is σ = 9584280. Its totient is φ = 1677312.

The previous prime is 4226429. The next prime is 4226459. The reversal of 4226440 is 446224.

It can be written as a sum of positive squares in 4 ways, for example, as 2643876 + 1582564 = 1626^2 + 1258^2 .

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, 5944 + ... + 6616.

Almost surely, 2^4226440 is an apocalyptic number.

4226440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4226440 is an abundant number, since it is smaller than the sum of its proper divisors (5357840).

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

4226440 is a wasteful number, since it uses less digits than its factorization.

4226440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841 (or 837 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 4226440 is about 2055.8307323318. The cubic root of 4226440 is about 161.6807205458.

The spelling of 4226440 in words is "four million, two hundred twenty-six thousand, four hundred forty".