4220587 has 8 divisors (see below), whose sum is σ = 4838400. Its totient is φ = 3606504.

The previous prime is 4220563. The next prime is 4220597. The reversal of 4220587 is 7850224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4220587 - 2¹⁵ = 4187819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4220537) 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, 2214 + ... + 3652.

It is an arithmetic number, because the mean of its divisors is an integer number (604800).

Almost surely, 2^4220587 is an apocalyptic number.

4220587 is a deficient number, since it is larger than the sum of its proper divisors (617813).

4220587 is a wasteful number, since it uses less digits than its factorization.

4220587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1865.

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 4220587 is about 2054.4067270139. The cubic root of 4220587 is about 161.6060513656.

The spelling of 4220587 in words is "four million, two hundred twenty thousand, five hundred eighty-seven".