4220012 has 24 divisors (see below), whose sum is σ = 7882560. Its totient is φ = 1969920.

The previous prime is 4219991. The next prime is 4220039. The reversal of 4220012 is 2100224.

It is a junction number, because it is equal to n+sod(n) for n = 4219975 and 4220002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15437 + ... + 15707.

It is an arithmetic number, because the mean of its divisors is an integer number (328440).

Almost surely, 2^4220012 is an apocalyptic number.

It is an amenable number.

4220012 is a deficient number, since it is larger than the sum of its proper divisors (3662548).

4220012 is a wasteful number, since it uses less digits than its factorization.

4220012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521 (or 519 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 4220012 is about 2054.2667791696. The cubic root of 4220012 is about 161.5987121258.

Adding to 4220012 its reverse (2100224), we get a palindrome (6320236).

The spelling of 4220012 in words is "four million, two hundred twenty thousand, twelve".