221314300 has 18 divisors (see below), whose sum is σ = 480252248. Its totient is φ = 88525680.

The previous prime is 221314277. The next prime is 221314307. The reversal of 221314300 is 3413122.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221314307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1106472 + ... + 1106671.

Almost surely, 2^221314300 is an apocalyptic number.

221314300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221314300 is an abundant number, since it is smaller than the sum of its proper divisors (258937948).

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

221314300 is a wasteful number, since it uses less digits than its factorization.

221314300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2213157 (or 2213150 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 221314300 is about 14876.6360444826. The cubic root of 221314300 is about 604.8808362167.

Adding to 221314300 its reverse (3413122), we get a palindrome (224727422).

The spelling of 221314300 in words is "two hundred twenty-one million, three hundred fourteen thousand, three hundred".