221114364 has 48 divisors (see below), whose sum is σ = 545233920. Its totient is φ = 69600960.

The previous prime is 221114347. The next prime is 221114371. The reversal of 221114364 is 463411122.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16734 + ... + 26874.

It is an arithmetic number, because the mean of its divisors is an integer number (11359040).

Almost surely, 2^221114364 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 221114364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272616960).

221114364 is an abundant number, since it is smaller than the sum of its proper divisors (324119556).

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

221114364 is a wasteful number, since it uses less digits than its factorization.

221114364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10250 (or 10248 counting only the distinct ones).

The product of its digits is 1152, while the sum is 24.

The square root of 221114364 is about 14869.9147273950. The cubic root of 221114364 is about 604.6986309524.

Adding to 221114364 its reverse (463411122), we get a palindrome (684525486).

The spelling of 221114364 in words is "two hundred twenty-one million, one hundred fourteen thousand, three hundred sixty-four".