222304321401 has 4 divisors (see below), whose sum is σ = 296405761872. Its totient is φ = 148202880932.

The previous prime is 222304321381. The next prime is 222304321409. The reversal of 222304321401 is 104123403222.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 222304321401 - 2¹¹ = 222304319353 is a prime.

It is a super-2 number, since 2×222304321401² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (222304321409) 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, 37050720231 + ... + 37050720236.

It is an arithmetic number, because the mean of its divisors is an integer number (74101440468).

Almost surely, 2^222304321401 is an apocalyptic number.

It is an amenable number.

222304321401 is a deficient number, since it is larger than the sum of its proper divisors (74101440471).

222304321401 is an equidigital number, since it uses as much as digits as its factorization.

222304321401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74101440470.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 222304321401 its reverse (104123403222), we get a palindrome (326427724623).

The spelling of 222304321401 in words is "two hundred twenty-two billion, three hundred four million, three hundred twenty-one thousand, four hundred one".