4226820 has 48 divisors (see below), whose sum is σ = 12747840. Its totient is φ = 1040256.

The previous prime is 4226809. The next prime is 4226839. The reversal of 4226820 is 286224.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1930 + ... + 3489.

It is an arithmetic number, because the mean of its divisors is an integer number (265580).

Almost surely, 2^4226820 is an apocalyptic number.

It is an amenable number.

4226820 is an abundant number, since it is smaller than the sum of its proper divisors (8521020).

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

4226820 is a wasteful number, since it uses less digits than its factorization.

4226820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5444 (or 5442 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 4226820 is about 2055.9231503147. The cubic root of 4226820 is about 161.6855659817.

It can be divided in two parts, 42 and 26820, that added together give a palindrome (26862).

The spelling of 4226820 in words is "four million, two hundred twenty-six thousand, eight hundred twenty".