22231403234 has 16 divisors (see below), whose sum is σ = 35434368216. Its totient is φ = 10424601600.

The previous prime is 22231403221. The next prime is 22231403279. The reversal of 22231403234 is 43230413222.

It can be written as a sum of positive squares in 4 ways, for example, as 21229364209 + 1002039025 = 145703^2 + 31655^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1153907 + ... + 1173014.

Almost surely, 2^22231403234 is an apocalyptic number.

22231403234 is a deficient number, since it is larger than the sum of its proper divisors (13202964982).

22231403234 is a wasteful number, since it uses less digits than its factorization.

22231403234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2327221.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 22231403234 its reverse (43230413222), we get a palindrome (65461816456).

The spelling of 22231403234 in words is "twenty-two billion, two hundred thirty-one million, four hundred three thousand, two hundred thirty-four".