22033123031 has 4 divisors (see below), whose sum is σ = 22038300600. Its totient is φ = 22027945464.

The previous prime is 22033123009. The next prime is 22033123039. The reversal of 22033123031 is 13032133022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22033123031 - 2⁶ = 22033122967 is a prime.

It is a super-2 number, since 2×22033123031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22033122994 and 22033123012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22033123039) 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, 2582396 + ... + 2590913.

It is an arithmetic number, because the mean of its divisors is an integer number (5509575150).

Almost surely, 2^22033123031 is an apocalyptic number.

22033123031 is a deficient number, since it is larger than the sum of its proper divisors (5177569).

22033123031 is an equidigital number, since it uses as much as digits as its factorization.

22033123031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5177568.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 22033123031 its reverse (13032133022), we get a palindrome (35065256053).

Subtracting from 22033123031 its reverse (13032133022), we obtain a palindrome (9000990009).

The spelling of 22033123031 in words is "twenty-two billion, thirty-three million, one hundred twenty-three thousand, thirty-one".