210218226 has 16 divisors (see below), whose sum is σ = 445168224. Its totient is φ = 65950784.

The previous prime is 210218219. The next prime is 210218231. The reversal of 210218226 is 622812012.

It is a junction number, because it is equal to n+sod(n) for n = 210218196 and 210218205.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1030380 + ... + 1030583.

It is an arithmetic number, because the mean of its divisors is an integer number (27823014).

Almost surely, 2^210218226 is an apocalyptic number.

210218226 is an abundant number, since it is smaller than the sum of its proper divisors (234949998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210218226 is a wasteful number, since it uses less digits than its factorization.

210218226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2060985.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 210218226 is about 14498.9043034293. The cubic root of 210218226 is about 594.5980157941.

The spelling of 210218226 in words is "two hundred ten million, two hundred eighteen thousand, two hundred twenty-six".