4220684 has 24 divisors (see below), whose sum is σ = 8302560. Its totient is φ = 1862784.

The previous prime is 4220659. The next prime is 4220687. The reversal of 4220684 is 4860224.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (4220687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 569 + ... + 2960.

It is an arithmetic number, because the mean of its divisors is an integer number (345940).

Almost surely, 2^4220684 is an apocalyptic number.

It is an amenable number.

4220684 is a deficient number, since it is larger than the sum of its proper divisors (4081876).

4220684 is a wasteful number, since it uses less digits than its factorization.

4220684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3569 (or 3567 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 4220684 is about 2054.4303346670. The cubic root of 4220684 is about 161.6072893977.

The spelling of 4220684 in words is "four million, two hundred twenty thousand, six hundred eighty-four".