5612218 has 4 divisors (see below), whose sum is σ = 8418330. Its totient is φ = 2806108.

The previous prime is 5612213. The next prime is 5612221. The reversal of 5612218 is 8122165.

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., 2879809 + 2732409 = 1697^2 + 1653^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5612192 and 5612201.

It is not an unprimeable number, because it can be changed into a prime (5612213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1403053 + ... + 1403056.

Almost surely, 2^5612218 is an apocalyptic number.

5612218 is a deficient number, since it is larger than the sum of its proper divisors (2806112).

5612218 is a wasteful number, since it uses less digits than its factorization.

5612218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2806111.

The product of its digits is 960, while the sum is 25.

The square root of 5612218 is about 2369.0120303620. The cubic root of 5612218 is about 177.7098542891.

The spelling of 5612218 in words is "five million, six hundred twelve thousand, two hundred eighteen".