212225055 has 16 divisors (see below), whose sum is σ = 388068864. Its totient is φ = 97017120.

The previous prime is 212225053. The next prime is 212225087. The reversal of 212225055 is 550522212.

212225055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 212225055 - 2¹ = 212225053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212225053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1010491 + ... + 1010700.

It is an arithmetic number, because the mean of its divisors is an integer number (24254304).

Almost surely, 2^212225055 is an apocalyptic number.

212225055 is a deficient number, since it is larger than the sum of its proper divisors (175843809).

212225055 is a wasteful number, since it uses less digits than its factorization.

212225055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2021206.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 212225055 is about 14567.9461489944. The cubic root of 212225055 is about 596.4841184254.

Adding to 212225055 its reverse (550522212), we get a palindrome (762747267).

The spelling of 212225055 in words is "two hundred twelve million, two hundred twenty-five thousand, fifty-five".