22131231033 has 8 divisors (see below), whose sum is σ = 29509054848. Its totient is φ = 14753780624.

The previous prime is 22131230993. The next prime is 22131231119. The reversal of 22131231033 is 33013213122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22131231033 - 2⁶ = 22131230969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22131231233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105391 + ... + 235307.

It is an arithmetic number, because the mean of its divisors is an integer number (3688631856).

Almost surely, 2^22131231033 is an apocalyptic number.

It is an amenable number.

22131231033 is a deficient number, since it is larger than the sum of its proper divisors (7377823815).

22131231033 is a wasteful number, since it uses less digits than its factorization.

22131231033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186703.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 22131231033 its reverse (33013213122), we get a palindrome (55144444155).

The spelling of 22131231033 in words is "twenty-two billion, one hundred thirty-one million, two hundred thirty-one thousand, thirty-three".