4220512 has 12 divisors (see below), whose sum is σ = 8309196. Its totient is φ = 2110240.

The previous prime is 4220509. The next prime is 4220519. The reversal of 4220512 is 2150224.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4220519) 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 as a sum of consecutive naturals, namely, 65914 + ... + 65977.

It is an arithmetic number, because the mean of its divisors is an integer number (692433).

Almost surely, 2^4220512 is an apocalyptic number.

It is an amenable number.

4220512 is a deficient number, since it is larger than the sum of its proper divisors (4088684).

4220512 is a wasteful number, since it uses less digits than its factorization.

4220512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131901 (or 131893 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 4220512 is about 2054.3884734879. The cubic root of 4220512 is about 161.6050941112.

Adding to 4220512 its reverse (2150224), we get a palindrome (6370736).

The spelling of 4220512 in words is "four million, two hundred twenty thousand, five hundred twelve".