222323232001 has 4 divisors (see below), whose sum is σ = 239425019092. Its totient is φ = 205221444912.

The previous prime is 222323231987. The next prime is 222323232023. The reversal of 222323232001 is 100232323222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 100232323222 = 2 ⋅50116161611.

It can be written as a sum of positive squares in 2 ways, for example, as 110131059600 + 112192172401 = 331860^2 + 334951^2 .

It is a cyclic number.

It is not a de Polignac number, because 222323232001 - 2¹³ = 222323223809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222323238001) 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, 8550893526 + ... + 8550893551.

It is an arithmetic number, because the mean of its divisors is an integer number (59856254773).

Almost surely, 2^222323232001 is an apocalyptic number.

It is an amenable number.

222323232001 is a deficient number, since it is larger than the sum of its proper divisors (17101787091).

222323232001 is a wasteful number, since it uses less digits than its factorization.

222323232001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17101787090.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 222323232001 its reverse (100232323222), we get a palindrome (322555555223).

The spelling of 222323232001 in words is "two hundred twenty-two billion, three hundred twenty-three million, two hundred thirty-two thousand, one".