5518822 has 4 divisors (see below), whose sum is σ = 8278236. Its totient is φ = 2759410.

The previous prime is 5518819. The next prime is 5518831. The reversal of 5518822 is 2288155.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1379704 + ... + 1379707.

It is an arithmetic number, because the mean of its divisors is an integer number (2069559).

Almost surely, 2^5518822 is an apocalyptic number.

5518822 is a deficient number, since it is larger than the sum of its proper divisors (2759414).

5518822 is a wasteful number, since it uses less digits than its factorization.

5518822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2759413.

The product of its digits is 6400, while the sum is 31.

The square root of 5518822 is about 2349.2173164695. The cubic root of 5518822 is about 176.7185457386.

The spelling of 5518822 in words is "five million, five hundred eighteen thousand, eight hundred twenty-two".