221822701 has 8 divisors (see below), whose sum is σ = 241030400. Its totient is φ = 203368320.

The previous prime is 221822683. The next prime is 221822717. The reversal of 221822701 is 107228122.

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

It is a cyclic number.

It is not a de Polignac number, because 221822701 - 2¹¹ = 221820653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221822761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187716 + ... + 188893.

It is an arithmetic number, because the mean of its divisors is an integer number (30128800).

Almost surely, 2^221822701 is an apocalyptic number.

It is an amenable number.

221822701 is a deficient number, since it is larger than the sum of its proper divisors (19207699).

221822701 is a wasteful number, since it uses less digits than its factorization.

221822701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376659.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 221822701 is about 14893.7134724688. The cubic root of 221822701 is about 605.3436574070.

The spelling of 221822701 in words is "two hundred twenty-one million, eight hundred twenty-two thousand, seven hundred one".