23220022201 has 4 divisors (see below), whose sum is σ = 23337890532. Its totient is φ = 23102153872.

The previous prime is 23220022193. The next prime is 23220022213. The reversal of 23220022201 is 10222002232.

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 16796160000 + 6423862201 = 129600^2 + 80149^2 .

It is a cyclic number.

It is not a de Polignac number, because 23220022201 - 2³ = 23220022193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23220022601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58933870 + ... + 58934263.

It is an arithmetic number, because the mean of its divisors is an integer number (5834472633).

Almost surely, 2^23220022201 is an apocalyptic number.

It is an amenable number.

23220022201 is a deficient number, since it is larger than the sum of its proper divisors (117868331).

23220022201 is a wasteful number, since it uses less digits than its factorization.

23220022201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117868330.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 23220022201 its reverse (10222002232), we get a palindrome (33442024433).

The spelling of 23220022201 in words is "twenty-three billion, two hundred twenty million, twenty-two thousand, two hundred one".