213333522 has 16 divisors (see below), whose sum is σ = 426892032. Its totient is φ = 71073680.

The previous prime is 213333511. The next prime is 213333563. The reversal of 213333522 is 225333312.

213333522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×213333522² = 91022383217848968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213333492 and 213333501.

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, 4543 + ... + 21149.

It is an arithmetic number, because the mean of its divisors is an integer number (26680752).

Almost surely, 2^213333522 is an apocalyptic number.

213333522 is an abundant number, since it is smaller than the sum of its proper divisors (213558510).

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

213333522 is a wasteful number, since it uses less digits than its factorization.

213333522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18753.

The product of its digits is 3240, while the sum is 24.

The square root of 213333522 is about 14605.9413253648. The cubic root of 213333522 is about 597.5208090183.

Adding to 213333522 its reverse (225333312), we get a palindrome (438666834).

The spelling of 213333522 in words is "two hundred thirteen million, three hundred thirty-three thousand, five hundred twenty-two".