4226720 has 24 divisors (see below), whose sum is σ = 9986004. Its totient is φ = 1690624.

The previous prime is 4226713. The next prime is 4226767. The reversal of 4226720 is 276224.

It can be written as a sum of positive squares in 2 ways, for example, as 3952144 + 274576 = 1988^2 + 524^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13049 + ... + 13368.

Almost surely, 2^4226720 is an apocalyptic number.

4226720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4226720 is an abundant number, since it is smaller than the sum of its proper divisors (5759284).

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

4226720 is a wasteful number, since it uses less digits than its factorization.

4226720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26432 (or 26424 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 4226720 is about 2055.8988301957. The cubic root of 4226720 is about 161.6842908952.

It can be divided in two parts, 42 and 26720, that added together give a palindrome (26762).

The spelling of 4226720 in words is "four million, two hundred twenty-six thousand, seven hundred twenty".