222141001 has 2 divisors, whose sum is σ = 222141002. Its totient is φ = 222141000.

The previous prime is 222140999. The next prime is 222141047. The reversal of 222141001 is 100141222.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 167676601 + 54464400 = 12949^2 + 7380^2 .

It is a cyclic number.

It is not a de Polignac number, because 222141001 - 2¹ = 222140999 is a prime.

Together with 222140999, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (222144001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111070500 + 111070501.

It is an arithmetic number, because the mean of its divisors is an integer number (111070501).

Almost surely, 2^222141001 is an apocalyptic number.

It is an amenable number.

222141001 is a deficient number, since it is larger than the sum of its proper divisors (1).

222141001 is an equidigital number, since it uses as much as digits as its factorization.

222141001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 222141001 is about 14904.3953584169. The cubic root of 222141001 is about 605.6330609073.

Adding to 222141001 its reverse (100141222), we get a palindrome (322282223).

The spelling of 222141001 in words is "two hundred twenty-two million, one hundred forty-one thousand, one".