222441001 has 8 divisors (see below), whose sum is σ = 225921704. Its totient is φ = 218972160.

The previous prime is 222440983. The next prime is 222441041. The reversal of 222441001 is 100144222.

It can be written as a sum of positive squares in 4 ways, for example, as 64963600 + 157477401 = 8060^2 + 12549^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222441001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222441041) 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, 39481 + ... + 44761.

It is an arithmetic number, because the mean of its divisors is an integer number (28240213).

Almost surely, 2^222441001 is an apocalyptic number.

It is an amenable number.

222441001 is a deficient number, since it is larger than the sum of its proper divisors (3480703).

222441001 is an equidigital number, since it uses as much as digits as its factorization.

222441001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5931.

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

The square root of 222441001 is about 14914.4561080852. The cubic root of 222441001 is about 605.9055727930.

Adding to 222441001 its reverse (100144222), we get a palindrome (322585223).

The spelling of 222441001 in words is "two hundred twenty-two million, four hundred forty-one thousand, one".