22123344213 has 32 divisors (see below), whose sum is σ = 36212140800. Its totient is φ = 13277772288.

The previous prime is 22123344209. The next prime is 22123344223. The reversal of 22123344213 is 31244332122.

22123344213 is a `hidden beast` number, since 2 + 2 + 1 + 233 + 4 + 421 + 3 = 666.

It is not a de Polignac number, because 22123344213 - 2² = 22123344209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22123344223) 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, 1037248 + ... + 1058361.

It is an arithmetic number, because the mean of its divisors is an integer number (1131629400).

Almost surely, 2^22123344213 is an apocalyptic number.

22123344213 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

22123344213 is a deficient number, since it is larger than the sum of its proper divisors (14088796587).

22123344213 is a wasteful number, since it uses less digits than its factorization.

22123344213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2095658 (or 2095652 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

Adding to 22123344213 its reverse (31244332122), we get a palindrome (53367676335).

The spelling of 22123344213 in words is "twenty-two billion, one hundred twenty-three million, three hundred forty-four thousand, two hundred thirteen".