221422313441 has 8 divisors (see below), whose sum is σ = 255046625280. Its totient is φ = 188296139808.

The previous prime is 221422313417. The next prime is 221422313467. The reversal of 221422313441 is 144313224122.

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

It is not a de Polignac number, because 221422313441 - 2¹⁰ = 221422312417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221422313041) 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, 124533596 + ... + 124535373.

It is an arithmetic number, because the mean of its divisors is an integer number (31880828160).

Almost surely, 2^221422313441 is an apocalyptic number.

It is an amenable number.

221422313441 is a deficient number, since it is larger than the sum of its proper divisors (33624311839).

221422313441 is a wasteful number, since it uses less digits than its factorization.

221422313441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249069103.

The product of its digits is 9216, while the sum is 29.

Adding to 221422313441 its reverse (144313224122), we get a palindrome (365735537563).

The spelling of 221422313441 in words is "two hundred twenty-one billion, four hundred twenty-two million, three hundred thirteen thousand, four hundred forty-one".