221222041 has 8 divisors (see below), whose sum is σ = 224334720. Its totient is φ = 218117328.

The previous prime is 221222039. The next prime is 221222069. The reversal of 221222041 is 140222122.

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

It is a cyclic number.

It is not a de Polignac number, because 221222041 - 2¹ = 221222039 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221222011) 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, 73335 + ... + 76291.

It is an arithmetic number, because the mean of its divisors is an integer number (28041840).

Almost surely, 2^221222041 is an apocalyptic number.

It is an amenable number.

221222041 is a deficient number, since it is larger than the sum of its proper divisors (3112679).

221222041 is an equidigital number, since it uses as much as digits as its factorization.

221222041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3983.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 221222041 is about 14873.5349194467. The cubic root of 221222041 is about 604.7967725760.

Adding to 221222041 its reverse (140222122), we get a palindrome (361444163).

The spelling of 221222041 in words is "two hundred twenty-one million, two hundred twenty-two thousand, forty-one".