222001234401 has 4 divisors (see below), whose sum is σ = 296001645872. Its totient is φ = 148000822932.

The previous prime is 222001234349. The next prime is 222001234421. The reversal of 222001234401 is 104432100222.

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 not a de Polignac number, because 222001234401 - 2²¹ = 221999137249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222001234421) 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, 37000205731 + ... + 37000205736.

It is an arithmetic number, because the mean of its divisors is an integer number (74000411468).

Almost surely, 2^222001234401 is an apocalyptic number.

It is an amenable number.

222001234401 is a deficient number, since it is larger than the sum of its proper divisors (74000411471).

222001234401 is an equidigital number, since it uses as much as digits as its factorization.

222001234401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74000411470.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 222001234401 its reverse (104432100222), we get a palindrome (326433334623).

The spelling of 222001234401 in words is "two hundred twenty-two billion, one million, two hundred thirty-four thousand, four hundred one".