211422398 has 8 divisors (see below), whose sum is σ = 345963960. Its totient is φ = 96101080.

The previous prime is 211422397. The next prime is 211422413. The reversal of 211422398 is 893224112.

211422398 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211422397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4805033 + ... + 4805076.

It is an arithmetic number, because the mean of its divisors is an integer number (43245495).

Almost surely, 2^211422398 is an apocalyptic number.

211422398 is a deficient number, since it is larger than the sum of its proper divisors (134541562).

211422398 is a wasteful number, since it uses less digits than its factorization.

211422398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9610122.

The product of its digits is 6912, while the sum is 32.

The square root of 211422398 is about 14540.3713157539. The cubic root of 211422398 is about 595.7311802878.

The spelling of 211422398 in words is "two hundred eleven million, four hundred twenty-two thousand, three hundred ninety-eight".