4222687 has 8 divisors (see below), whose sum is σ = 4838400. Its totient is φ = 3610104.

The previous prime is 4222679. The next prime is 4222703. The reversal of 4222687 is 7862224.

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 4222687 - 2³ = 4222679 is a prime.

It is a d-powerful number, because it can be written as 4¹¹ + 2⁵ + 2¹¹ + 2¹³ + 6⁴ + 8 + 7⁵ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4222627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4614 + ... + 5452.

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

Almost surely, 2^4222687 is an apocalyptic number.

4222687 is the 1678-th pentagonal number.

4222687 is a deficient number, since it is larger than the sum of its proper divisors (615713).

4222687 is an equidigital number, since it uses as much as digits as its factorization.

4222687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565.

The product of its digits is 10752, while the sum is 31.

The square root of 4222687 is about 2054.9177599116. The cubic root of 4222687 is about 161.6328498841.

The spelling of 4222687 in words is "four million, two hundred twenty-two thousand, six hundred eighty-seven".