221300022 has 8 divisors (see below), whose sum is σ = 442600056. Its totient is φ = 73766672.

The previous prime is 221300021. The next prime is 221300039. The reversal of 221300022 is 220003122.

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

221300022 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 221299980 and 221300007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221300021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18441663 + ... + 18441674.

It is an arithmetic number, because the mean of its divisors is an integer number (55325007).

Almost surely, 2^221300022 is an apocalyptic number.

221300022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

221300022 is a wasteful number, since it uses less digits than its factorization.

221300022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36883342.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 221300022 is about 14876.1561567496. The cubic root of 221300022 is about 604.8678280585.

Adding to 221300022 its reverse (220003122), we get a palindrome (441303144).

The spelling of 221300022 in words is "two hundred twenty-one million, three hundred thousand, twenty-two".