122223001 has 4 divisors (see below), whose sum is σ = 122863104. Its totient is φ = 121582900.

The previous prime is 122222999. The next prime is 122223011. The reversal of 122223001 is 100322221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 100322221 = 73 ⋅1374277.

It is a cyclic number.

It is not a de Polignac number, because 122223001 - 2¹ = 122222999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122223011) 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, 319765 + ... + 320146.

It is an arithmetic number, because the mean of its divisors is an integer number (30715776).

Almost surely, 2^122223001 is an apocalyptic number.

It is an amenable number.

122223001 is a deficient number, since it is larger than the sum of its proper divisors (640103).

122223001 is an equidigital number, since it uses as much as digits as its factorization.

122223001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640102.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 122223001 is about 11055.4511893455. The cubic root of 122223001 is about 496.2695716933.

Adding to 122223001 its reverse (100322221), we get a palindrome (222545222).

The spelling of 122223001 in words is "one hundred twenty-two million, two hundred twenty-three thousand, one".