22211223234 has 64 divisors (see below), whose sum is σ = 47141222400. Its totient is φ = 6962460032.

The previous prime is 22211223233. The next prime is 22211223241. The reversal of 22211223234 is 43232211222.

It is not an unprimeable number, because it can be changed into a prime (22211223233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2193427 + ... + 2203529.

It is an arithmetic number, because the mean of its divisors is an integer number (736581600).

Almost surely, 2^22211223234 is an apocalyptic number.

22211223234 is an abundant number, since it is smaller than the sum of its proper divisors (24929999166).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22211223234 is a wasteful number, since it uses less digits than its factorization.

22211223234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10399.

The product of its digits is 2304, while the sum is 24.

Adding to 22211223234 its reverse (43232211222), we get a palindrome (65443434456).

The spelling of 22211223234 in words is "twenty-two billion, two hundred eleven million, two hundred twenty-three thousand, two hundred thirty-four".