221222401041 has 8 divisors (see below), whose sum is σ = 294966902080. Its totient is φ = 147479750352.

The previous prime is 221222401013. The next prime is 221222401061. The reversal of 221222401041 is 140104222122.

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

It is not a de Polignac number, because 221222401041 - 2⁵ = 221222401009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 221222400999 and 221222401017.

It is not an unprimeable number, because it can be changed into a prime (221222401061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154261 + ... + 682818.

It is an arithmetic number, because the mean of its divisors is an integer number (36870862760).

Almost surely, 2^221222401041 is an apocalyptic number.

It is an amenable number.

221222401041 is a deficient number, since it is larger than the sum of its proper divisors (73744501039).

221222401041 is an equidigital number, since it uses as much as digits as its factorization.

221222401041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925175.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 221222401041 its reverse (140104222122), we get a palindrome (361326623163).

The spelling of 221222401041 in words is "two hundred twenty-one billion, two hundred twenty-two million, four hundred one thousand, forty-one".