22043031001 has 4 divisors (see below), whose sum is σ = 22044872500. Its totient is φ = 22041189504.

The previous prime is 22043030983. The next prime is 22043031007. The reversal of 22043031001 is 10013034022.

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 17513875600 + 4529155401 = 132340^2 + 67299^2 .

It is a cyclic number.

It is not a de Polignac number, because 22043031001 - 2¹⁹ = 22042506713 is a prime.

It is a super-2 number, since 2×22043031001² (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 (22043031007) 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, 902676 + ... + 926773.

It is an arithmetic number, because the mean of its divisors is an integer number (5511218125).

Almost surely, 2^22043031001 is an apocalyptic number.

It is an amenable number.

22043031001 is a deficient number, since it is larger than the sum of its proper divisors (1841499).

22043031001 is a wasteful number, since it uses less digits than its factorization.

22043031001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1841498.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 22043031001 its reverse (10013034022), we get a palindrome (32056065023).

The spelling of 22043031001 in words is "twenty-two billion, forty-three million, thirty-one thousand, one".