22220113232221 has 8 divisors (see below), whose sum is σ = 22729542180480. Its totient is φ = 21712211808288.

The previous prime is 22220113232201. The next prime is 22220113232287. The reversal of 22220113232221 is 12223231102222.

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 22220113232221 - 2⁵ = 22220113232189 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 (22220113232201) 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, 381851656 + ... + 381909841.

It is an arithmetic number, because the mean of its divisors is an integer number (2841192772560).

Almost surely, 2^{22220113232221} is an apocalyptic number.

It is an amenable number.

22220113232221 is a deficient number, since it is larger than the sum of its proper divisors (509428948259).

22220113232221 is an equidigital number, since it uses as much as digits as its factorization.

22220113232221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763762163.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 22220113232221 its reverse (12223231102222), we get a palindrome (34443344334443).

The spelling of 22220113232221 in words is "twenty-two trillion, two hundred twenty billion, one hundred thirteen million, two hundred thirty-two thousand, two hundred twenty-one".