22122022213 has 8 divisors (see below), whose sum is σ = 22282638840. Its totient is φ = 21961894080.

The previous prime is 22122022207. The next prime is 22122022229. The reversal of 22122022213 is 31222022122.

It can be written as a sum of positive squares in 4 ways, for example, as 1720756324 + 20401265889 = 41482^2 + 142833^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22122022213 - 2¹³ = 22122014021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22122022513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30978 + ... + 212611.

It is an arithmetic number, because the mean of its divisors is an integer number (2785329855).

Almost surely, 2^22122022213 is an apocalyptic number.

It is an amenable number.

22122022213 is a deficient number, since it is larger than the sum of its proper divisors (160616627).

22122022213 is a wasteful number, since it uses less digits than its factorization.

22122022213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244247.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 22122022213 its reverse (31222022122), we get a palindrome (53344044335).

Subtracting 22122022213 from its reverse (31222022122), we obtain a palindrome (9099999909).

The spelling of 22122022213 in words is "twenty-two billion, one hundred twenty-two million, twenty-two thousand, two hundred thirteen".