22303231001 has 4 divisors (see below), whose sum is σ = 22304062500. Its totient is φ = 22302399504.

The previous prime is 22303230991. The next prime is 22303231019. The reversal of 22303231001 is 10013230322.

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 2047110025 + 20256120976 = 45245^2 + 142324^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22303231001 is a prime.

It is a super-2 number, since 2×22303231001² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22303231021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 374126 + ... + 429623.

It is an arithmetic number, because the mean of its divisors is an integer number (5576015625).

Almost surely, 2^22303231001 is an apocalyptic number.

It is an amenable number.

22303231001 is a deficient number, since it is larger than the sum of its proper divisors (831499).

22303231001 is an equidigital number, since it uses as much as digits as its factorization.

22303231001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831498.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 22303231001 its reverse (10013230322), we get a palindrome (32316461323).

The spelling of 22303231001 in words is "twenty-two billion, three hundred three million, two hundred thirty-one thousand, one".