212233219 has 24 divisors (see below), whose sum is σ = 248758416. Its totient is φ = 179520000.

The previous prime is 212233193. The next prime is 212233237. The reversal of 212233219 is 912332212.

It is not a de Polignac number, because 212233219 - 2²³ = 203844611 is a prime.

It is a super-2 number, since 2×212233219² = 90085878494203922, which contains 22 as substring.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 212233193 and 212233202.

It is not an unprimeable number, because it can be changed into a prime (212233289) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 320749 + ... + 321409.

It is an arithmetic number, because the mean of its divisors is an integer number (10364934).

Almost surely, 2^212233219 is an apocalyptic number.

212233219 is a deficient number, since it is larger than the sum of its proper divisors (36525197).

212233219 is a wasteful number, since it uses less digits than its factorization.

212233219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807 (or 790 counting only the distinct ones).

The product of its digits is 1296, while the sum is 25.

The square root of 212233219 is about 14568.2263505205. The cubic root of 212233219 is about 596.4917669630.

It can be divided in two parts, 21223 and 3219, that added together give a palindrome (24442).

The spelling of 212233219 in words is "two hundred twelve million, two hundred thirty-three thousand, two hundred nineteen".