22332221221201 has 4 divisors (see below), whose sum is σ = 22332301224804. Its totient is φ = 22332141217600.

The previous prime is 22332221221199. The next prime is 22332221221241. The reversal of 22332221221201 is 10212212223322.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3603926356801 + 18728294864400 = 1898401^2 + 4327620^2 .

It is a cyclic number.

It is not a de Polignac number, because 22332221221201 - 2¹ = 22332221221199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22332221221241) 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, 39581620 + ... + 40141861.

It is an arithmetic number, because the mean of its divisors is an integer number (5583075306201).

Almost surely, 2^{22332221221201} is an apocalyptic number.

It is an amenable number.

22332221221201 is a deficient number, since it is larger than the sum of its proper divisors (80003603).

22332221221201 is an equidigital number, since it uses as much as digits as its factorization.

22332221221201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80003602.

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

Adding to 22332221221201 its reverse (10212212223322), we get a palindrome (32544433444523).

The spelling of 22332221221201 in words is "twenty-two trillion, three hundred thirty-two billion, two hundred twenty-one million, two hundred twenty-one thousand, two hundred one".