213322226 has 16 divisors (see below), whose sum is σ = 352613184. Its totient is φ = 96166224.

The previous prime is 213322223. The next prime is 213322247. The reversal of 213322226 is 622223312.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (213322223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94286 + ... + 96521.

It is an arithmetic number, because the mean of its divisors is an integer number (22038324).

Almost surely, 2^213322226 is an apocalyptic number.

213322226 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

213322226 is a deficient number, since it is larger than the sum of its proper divisors (139290958).

213322226 is a wasteful number, since it uses less digits than its factorization.

213322226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190865.

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

The square root of 213322226 is about 14605.5546282913. The cubic root of 213322226 is about 597.5102625992.

Adding to 213322226 its reverse (622223312), we get a palindrome (835545538).

The spelling of 213322226 in words is "two hundred thirteen million, three hundred twenty-two thousand, two hundred twenty-six".