5222018 has 4 divisors (see below), whose sum is σ = 7833030. Its totient is φ = 2611008.

The previous prime is 5222011. The next prime is 5222023. The reversal of 5222018 is 8102225.

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

It can be written as a sum of positive squares in only one way, i.e., 5031049 + 190969 = 2243^2 + 437^2 .

It is not an unprimeable number, because it can be changed into a prime (5222011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1305503 + ... + 1305506.

Almost surely, 2^5222018 is an apocalyptic number.

5222018 is a deficient number, since it is larger than the sum of its proper divisors (2611012).

5222018 is a wasteful number, since it uses less digits than its factorization.

5222018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2611011.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 5222018 is about 2285.1735163878. The cubic root of 5222018 is about 173.4920005060.

The spelling of 5222018 in words is "five million, two hundred twenty-two thousand, eighteen".