212224023 has 32 divisors (see below), whose sum is σ = 343975680. Its totient is φ = 128250720.

The previous prime is 212223983. The next prime is 212224027. The reversal of 212224023 is 320422212.

It is not a de Polignac number, because 212224023 - 2⁶ = 212223959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212223987 and 212224005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212224027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 130765 + ... + 132377.

It is an arithmetic number, because the mean of its divisors is an integer number (10749240).

Almost surely, 2^212224023 is an apocalyptic number.

212224023 is a deficient number, since it is larger than the sum of its proper divisors (131751657).

212224023 is a wasteful number, since it uses less digits than its factorization.

212224023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2076 (or 2070 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 212224023 is about 14567.9107287215. The cubic root of 212224023 is about 596.4831515704.

Adding to 212224023 its reverse (320422212), we get a palindrome (532646235).

The spelling of 212224023 in words is "two hundred twelve million, two hundred twenty-four thousand, twenty-three".