5222218 has 8 divisors (see below), whose sum is σ = 7846848. Its totient is φ = 2606604.

The previous prime is 5222197. The next prime is 5222237. The reversal of 5222218 is 8122225.

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

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, 546 + ... + 3277.

It is an arithmetic number, because the mean of its divisors is an integer number (980856).

Almost surely, 2^5222218 is an apocalyptic number.

5222218 is the 1222-nd centered heptagonal number.

5222218 is a deficient number, since it is larger than the sum of its proper divisors (2624630).

5222218 is a wasteful number, since it uses less digits than its factorization.

5222218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4508.

The product of its digits is 640, while the sum is 22.

The square root of 5222218 is about 2285.2172763219. The cubic root of 5222218 is about 173.4942153558.

The spelling of 5222218 in words is "five million, two hundred twenty-two thousand, two hundred eighteen".