210340226 has 8 divisors (see below), whose sum is σ = 315735420. Its totient is φ = 105095088.

The previous prime is 210340213. The next prime is 210340271. The reversal of 210340226 is 622043012.

It can be written as a sum of positive squares in 2 ways, for example, as 205951201 + 4389025 = 14351^2 + 2095^2 .

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 = 210340198 and 210340207.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33941 + ... + 39656.

Almost surely, 2^210340226 is an apocalyptic number.

210340226 is a deficient number, since it is larger than the sum of its proper divisors (105395194).

210340226 is a wasteful number, since it uses less digits than its factorization.

210340226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75028.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 210340226 is about 14503.1109076639. The cubic root of 210340226 is about 594.7130183968.

Adding to 210340226 its reverse (622043012), we get a palindrome (832383238).

The spelling of 210340226 in words is "two hundred ten million, three hundred forty thousand, two hundred twenty-six".