22031321434 has 8 divisors (see below), whose sum is σ = 33154627968. Its totient is φ = 10979778780.

The previous prime is 22031321407. The next prime is 22031321453. The reversal of 22031321434 is 43412313022.

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

It is a junction number, because it is equal to n+sod(n) for n = 22031321399 and 22031321408.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17940202 + ... + 17941429.

It is an arithmetic number, because the mean of its divisors is an integer number (4144328496).

Almost surely, 2^22031321434 is an apocalyptic number.

22031321434 is a deficient number, since it is larger than the sum of its proper divisors (11123306534).

22031321434 is a wasteful number, since it uses less digits than its factorization.

22031321434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35881940.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 22031321434 its reverse (43412313022), we get a palindrome (65443634456).

The spelling of 22031321434 in words is "twenty-two billion, thirty-one million, three hundred twenty-one thousand, four hundred thirty-four".