222301001 has 4 divisors (see below), whose sum is σ = 239401092. Its totient is φ = 205200912.

The previous prime is 222300989. The next prime is 222301043. The reversal of 222301001 is 100103222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 74046025 + 148254976 = 8605^2 + 12176^2 .

It is a cyclic number.

It is not a de Polignac number, because 222301001 - 2⁶ = 222300937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222301081) 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, 8550026 + ... + 8550051.

It is an arithmetic number, because the mean of its divisors is an integer number (59850273).

Almost surely, 2^222301001 is an apocalyptic number.

It is an amenable number.

222301001 is a deficient number, since it is larger than the sum of its proper divisors (17100091).

222301001 is a wasteful number, since it uses less digits than its factorization.

222301001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17100090.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 222301001 is about 14909.7619363959. The cubic root of 222301001 is about 605.7784310908.

Adding to 222301001 its reverse (100103222), we get a palindrome (322404223).

The spelling of 222301001 in words is "two hundred twenty-two million, three hundred one thousand, one".