22131231322234 has 32 divisors (see below), whose sum is σ = 36284123736576. Its totient is φ = 10078554984960.

The previous prime is 22131231322201. The next prime is 22131231322247. The reversal of 22131231322234 is 43222313213122.

It is a happy number.

It is a super-3 number, since 3×22131231322234³ (a number of 41 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 22131231322196 and 22131231322205.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 69549657 + ... + 69867139.

It is an arithmetic number, because the mean of its divisors is an integer number (1133878866768).

Almost surely, 2^{22131231322234} is an apocalyptic number.

22131231322234 is a deficient number, since it is larger than the sum of its proper divisors (14152892414342).

22131231322234 is a wasteful number, since it uses less digits than its factorization.

22131231322234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383670.

The product of its digits is 20736, while the sum is 31.

Adding to 22131231322234 its reverse (43222313213122), we get a palindrome (65353544535356).

The spelling of 22131231322234 in words is "twenty-two trillion, one hundred thirty-one billion, two hundred thirty-one million, three hundred twenty-two thousand, two hundred thirty-four".