211468288 has 30 divisors (see below), whose sum is σ = 422956436. Its totient is φ = 105725952.

The previous prime is 211468277. The next prime is 211468289. The reversal of 211468288 is 882864112.

It is a self number, because there is not a number n which added to its sum of digits gives 211468288.

It is not an unprimeable number, because it can be changed into a prime (211468289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9931 + ... + 22837.

Almost surely, 2^211468288 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211468288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211478218).

211468288 is an abundant number, since it is smaller than the sum of its proper divisors (211488148).

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

211468288 is an frugal number, since it uses more digits than its factorization.

211468288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12935 (or 12909 counting only the distinct ones).

The product of its digits is 49152, while the sum is 40.

The square root of 211468288 is about 14541.9492503584. The cubic root of 211468288 is about 595.7742790424.

The spelling of 211468288 in words is "two hundred eleven million, four hundred sixty-eight thousand, two hundred eighty-eight".