221468822 has 8 divisors (see below), whose sum is σ = 332522472. Its totient is φ = 110628000.

The previous prime is 221468789. The next prime is 221468827. The reversal of 221468822 is 228864122.

221468822 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221468827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50579 + ... + 54782.

It is an arithmetic number, because the mean of its divisors is an integer number (41565309).

Almost surely, 2^221468822 is an apocalyptic number.

221468822 is a deficient number, since it is larger than the sum of its proper divisors (111053650).

221468822 is a wasteful number, since it uses less digits than its factorization.

221468822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106414.

The product of its digits is 24576, while the sum is 35.

The square root of 221468822 is about 14881.8285838804. The cubic root of 221468822 is about 605.0215797234.

The spelling of 221468822 in words is "two hundred twenty-one million, four hundred sixty-eight thousand, eight hundred twenty-two".