22320213213 has 8 divisors (see below), whose sum is σ = 29768035648. Its totient is φ = 14876266464.

The previous prime is 22320213203. The next prime is 22320213221. The reversal of 22320213213 is 31231202322.

It is a happy number.

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

It is not a de Polignac number, because 22320213213 - 2¹³ = 22320205021 is a prime.

It is a super-3 number, since 3×22320213213³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22320213213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22320213203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 955456 + ... + 978537.

It is an arithmetic number, because the mean of its divisors is an integer number (3721004456).

Almost surely, 2^22320213213 is an apocalyptic number.

It is an amenable number.

22320213213 is a deficient number, since it is larger than the sum of its proper divisors (7447822435).

22320213213 is a wasteful number, since it uses less digits than its factorization.

22320213213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1937843.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 22320213213 its reverse (31231202322), we get a palindrome (53551415535).

The spelling of 22320213213 in words is "twenty-two billion, three hundred twenty million, two hundred thirteen thousand, two hundred thirteen".