213340226 has 16 divisors (see below), whose sum is σ = 364281408. Its totient is φ = 92756400.

The previous prime is 213340217. The next prime is 213340273. The reversal of 213340226 is 622043312.

It is a Harshad number since it is a multiple of its sum of digits (23).

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, 210305 + ... + 211316.

It is an arithmetic number, because the mean of its divisors is an integer number (22767588).

Almost surely, 2^213340226 is an apocalyptic number.

213340226 is a deficient number, since it is larger than the sum of its proper divisors (150941182).

213340226 is a wasteful number, since it uses less digits than its factorization.

213340226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421657.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 213340226 is about 14606.1708192120. The cubic root of 213340226 is about 597.5270679777.

Adding to 213340226 its reverse (622043312), we get a palindrome (835383538).

The spelling of 213340226 in words is "two hundred thirteen million, three hundred forty thousand, two hundred twenty-six".