4220408 has 16 divisors (see below), whose sum is σ = 8257680. Its totient is φ = 2018368.

The previous prime is 4220393. The next prime is 4220423. The reversal of 4220408 is 8040224.

It is an interprime number because it is at equal distance from previous prime (4220393) and next prime (4220423).

It is a self number, because there is not a number n which added to its sum of digits gives 4220408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11285 + ... + 11652.

It is an arithmetic number, because the mean of its divisors is an integer number (516105).

Almost surely, 2^4220408 is an apocalyptic number.

It is an amenable number.

4220408 is a deficient number, since it is larger than the sum of its proper divisors (4037272).

4220408 is a wasteful number, since it uses less digits than its factorization.

4220408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22966 (or 22962 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 4220408 is about 2054.3631616635. The cubic root of 4220408 is about 161.6037666998.

The spelling of 4220408 in words is "four million, two hundred twenty thousand, four hundred eight".