221114432 has 84 divisors (see below), whose sum is σ = 551322240. Its totient is φ = 86127360.

The previous prime is 221114431. The next prime is 221114441. The reversal of 221114432 is 234411122.

It is not an unprimeable number, because it can be changed into a prime (221114431) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52169 + ... + 56247.

It is an arithmetic number, because the mean of its divisors is an integer number (6563360).

Almost surely, 2^221114432 is an apocalyptic number.

221114432 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 221114432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275661120).

221114432 is an abundant number, since it is smaller than the sum of its proper divisors (330207808).

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

221114432 is a wasteful number, since it uses less digits than its factorization.

221114432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4120 (or 4099 counting only the distinct ones).

The product of its digits is 384, while the sum is 20.

The square root of 221114432 is about 14869.9170138908. The cubic root of 221114432 is about 604.6986929407.

Adding to 221114432 its reverse (234411122), we get a palindrome (455525554).

The spelling of 221114432 in words is "two hundred twenty-one million, one hundred fourteen thousand, four hundred thirty-two".