218362226 has 8 divisors (see below), whose sum is σ = 333723564. Its totient is φ = 107121040.

The previous prime is 218362223. The next prime is 218362267. The reversal of 218362226 is 622263812.

218362226 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 211731601 + 6630625 = 14551^2 + 2575^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 218362192 and 218362201.

It is not an unprimeable number, because it can be changed into a prime (218362223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1029905 + ... + 1030116.

Almost surely, 2^218362226 is an apocalyptic number.

218362226 is a deficient number, since it is larger than the sum of its proper divisors (115361338).

218362226 is a wasteful number, since it uses less digits than its factorization.

218362226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2060076.

The product of its digits is 13824, while the sum is 32.

The square root of 218362226 is about 14777.0844891677. The cubic root of 218362226 is about 602.1793209792.

The spelling of 218362226 in words is "two hundred eighteen million, three hundred sixty-two thousand, two hundred twenty-six".