211453225422 has 16 divisors (see below), whose sum is σ = 433221242832. Its totient is φ = 68765276480.

The previous prime is 211453225409. The next prime is 211453225427. The reversal of 211453225422 is 224522354112.

211453225422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211453225427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 429782733 + ... + 429783224.

It is an arithmetic number, because the mean of its divisors is an integer number (27076327677).

Almost surely, 2^211453225422 is an apocalyptic number.

211453225422 is an abundant number, since it is smaller than the sum of its proper divisors (221768017410).

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

211453225422 is a wasteful number, since it uses less digits than its factorization.

211453225422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859566003.

The product of its digits is 38400, while the sum is 33.

Adding to 211453225422 its reverse (224522354112), we get a palindrome (435975579534).

The spelling of 211453225422 in words is "two hundred eleven billion, four hundred fifty-three million, two hundred twenty-five thousand, four hundred twenty-two".