22031043533 has 16 divisors (see below), whose sum is σ = 23886246720. Its totient is φ = 20248672896.

The previous prime is 22031043523. The next prime is 22031043583. The reversal of 22031043533 is 33534013022.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22031043533 is a prime.

It is a super-2 number, since 2×22031043533² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22031043523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198785 + ... + 289097.

It is an arithmetic number, because the mean of its divisors is an integer number (1492890420).

Almost surely, 2^22031043533 is an apocalyptic number.

It is an amenable number.

22031043533 is a deficient number, since it is larger than the sum of its proper divisors (1855203187).

22031043533 is a wasteful number, since it uses less digits than its factorization.

22031043533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90716.

The product of its (nonzero) digits is 6480, while the sum is 26.

Adding to 22031043533 its reverse (33534013022), we get a palindrome (55565056555).

The spelling of 22031043533 in words is "twenty-two billion, thirty-one million, forty-three thousand, five hundred thirty-three".