4220481 has 4 divisors (see below), whose sum is σ = 5627312. Its totient is φ = 2813652.

The previous prime is 4220473. The next prime is 4220483. The reversal of 4220481 is 1840224.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4220481 - 2³ = 4220473 is a prime.

It is a super-2 number, since 2×4220481² = 35624919742722, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4220483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 703411 + ... + 703416.

It is an arithmetic number, because the mean of its divisors is an integer number (1406828).

Almost surely, 2^4220481 is an apocalyptic number.

It is an amenable number.

4220481 is a deficient number, since it is larger than the sum of its proper divisors (1406831).

4220481 is a wasteful number, since it uses less digits than its factorization.

4220481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1406830.

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 4220481 is about 2054.3809286498. The cubic root of 4220481 is about 161.6046984428.

The spelling of 4220481 in words is "four million, two hundred twenty thousand, four hundred eighty-one".