4220507 has 4 divisors (see below), whose sum is σ = 4231536. Its totient is φ = 4209480.

The previous prime is 4220497. The next prime is 4220509. The reversal of 4220507 is 7050224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4220507 - 2¹² = 4216411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4220509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4919 + ... + 5712.

It is an arithmetic number, because the mean of its divisors is an integer number (1057884).

Almost surely, 2^4220507 is an apocalyptic number.

4220507 is a deficient number, since it is larger than the sum of its proper divisors (11029).

4220507 is a wasteful number, since it uses less digits than its factorization.

4220507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11028.

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 4220507 is about 2054.3872565804. The cubic root of 4220507 is about 161.6050302939.

The spelling of 4220507 in words is "four million, two hundred twenty thousand, five hundred seven".