212223552 has 56 divisors (see below), whose sum is σ = 562660800. Its totient is φ = 70596096.

The previous prime is 212223541. The next prime is 212223577. The reversal of 212223552 is 255322212.

212223552 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

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, 135349 + ... + 136907.

Almost surely, 2^212223552 is an apocalyptic number.

It is an amenable number.

212223552 is an abundant number, since it is smaller than the sum of its proper divisors (350437248).

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

212223552 is a wasteful number, since it uses less digits than its factorization.

212223552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2283 (or 2273 counting only the distinct ones).

The product of its digits is 2400, while the sum is 24.

The square root of 212223552 is about 14567.8945630451. The cubic root of 212223552 is about 596.4827103012.

Adding to 212223552 its reverse (255322212), we get a palindrome (467545764).

The spelling of 212223552 in words is "two hundred twelve million, two hundred twenty-three thousand, five hundred fifty-two".