4220470 has 32 divisors (see below), whose sum is σ = 8114400. Its totient is φ = 1575936.

The previous prime is 4220449. The next prime is 4220473. The reversal of 4220470 is 740224.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4220473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18316 + ... + 18544.

It is an arithmetic number, because the mean of its divisors is an integer number (253575).

Almost surely, 2^4220470 is an apocalyptic number.

4220470 is a deficient number, since it is larger than the sum of its proper divisors (3893930).

4220470 is a wasteful number, since it uses less digits than its factorization.

4220470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352.

The product of its (nonzero) digits is 448, while the sum is 19.

The square root of 4220470 is about 2054.3782514425. The cubic root of 4220470 is about 161.6045580438.

Adding to 4220470 its reverse (740224), we get a palindrome (4960694).

The spelling of 4220470 in words is "four million, two hundred twenty thousand, four hundred seventy".