5518622 has 4 divisors (see below), whose sum is σ = 8277936. Its totient is φ = 2759310.

The previous prime is 5518567. The next prime is 5518627. The reversal of 5518622 is 2268155.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2268155 = 5 ⋅453631.

It is a super-6 number, since 6×5518622⁶ (a number of 42 digits) contains 666666 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5518627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1379654 + ... + 1379657.

It is an arithmetic number, because the mean of its divisors is an integer number (2069484).

Almost surely, 2^5518622 is an apocalyptic number.

5518622 is a deficient number, since it is larger than the sum of its proper divisors (2759314).

5518622 is a wasteful number, since it uses less digits than its factorization.

5518622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2759313.

The product of its digits is 4800, while the sum is 29.

The square root of 5518622 is about 2349.1747487150. The cubic root of 5518622 is about 176.7164109753.

The spelling of 5518622 in words is "five million, five hundred eighteen thousand, six hundred twenty-two".