22210020188234 has 8 divisors (see below), whose sum is σ = 33334388236548. Its totient is φ = 11098557442720.

The previous prime is 22210020188233. The next prime is 22210020188261. The reversal of 22210020188234 is 43288102001222.

It can be written as a sum of positive squares in 2 ways, for example, as 22205064450625 + 4955737609 = 4712225^2 + 70397^2 .

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 = 22210020188194 and 22210020188203.

It is not an unprimeable number, because it can be changed into a prime (22210020188233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3226321397 + ... + 3226328280.

Almost surely, 2^{22210020188234} is an apocalyptic number.

22210020188234 is a deficient number, since it is larger than the sum of its proper divisors (11124368048314).

22210020188234 is a wasteful number, since it uses less digits than its factorization.

22210020188234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6452651400.

The product of its (nonzero) digits is 24576, while the sum is 35.

Adding to 22210020188234 its reverse (43288102001222), we get a palindrome (65498122189456).

The spelling of 22210020188234 in words is "twenty-two trillion, two hundred ten billion, twenty million, one hundred eighty-eight thousand, two hundred thirty-four".