22130301221 has 8 divisors (see below), whose sum is σ = 25294759680. Its totient is φ = 18966589488.

The previous prime is 22130301217. The next prime is 22130301223. The reversal of 22130301221 is 12210303122.

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

It is not a de Polignac number, because 22130301221 - 2² = 22130301217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22130301221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22130301223) 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, 121661 + ... + 243026.

It is an arithmetic number, because the mean of its divisors is an integer number (3161844960).

Almost surely, 2^22130301221 is an apocalyptic number.

It is an amenable number.

22130301221 is a deficient number, since it is larger than the sum of its proper divisors (3164458459).

22130301221 is an equidigital number, since it uses as much as digits as its factorization.

22130301221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373363.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 22130301221 its reverse (12210303122), we get a palindrome (34340604343).

The spelling of 22130301221 in words is "twenty-two billion, one hundred thirty million, three hundred one thousand, two hundred twenty-one".