22122254213 has 4 divisors (see below), whose sum is σ = 22257973728. Its totient is φ = 21986534700.

The previous prime is 22122254183. The next prime is 22122254251. The reversal of 22122254213 is 31245222122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22122254213 - 2⁶ = 22122254149 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 (22122253213) 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, 67859513 + ... + 67859838.

It is an arithmetic number, because the mean of its divisors is an integer number (5564493432).

Almost surely, 2^22122254213 is an apocalyptic number.

It is an amenable number.

22122254213 is a deficient number, since it is larger than the sum of its proper divisors (135719515).

22122254213 is a wasteful number, since it uses less digits than its factorization.

22122254213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135719514.

The product of its digits is 3840, while the sum is 26.

Adding to 22122254213 its reverse (31245222122), we get a palindrome (53367476335).

The spelling of 22122254213 in words is "twenty-two billion, one hundred twenty-two million, two hundred fifty-four thousand, two hundred thirteen".