22321122013 has 8 divisors (see below), whose sum is σ = 22689469656. Its totient is φ = 21952852800.

The previous prime is 22321122011. The next prime is 22321122017. The reversal of 22321122013 is 31022112322.

It can be written as a sum of positive squares in 4 ways, for example, as 8331673284 + 13989448729 = 91278^2 + 118277^2 .

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 22321122013 - 2¹ = 22321122011 is a prime.

It is a super-3 number, since 3×22321122013³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22321122011) 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, 928323 + ... + 952063.

It is an arithmetic number, because the mean of its divisors is an integer number (2836183707).

Almost surely, 2^22321122013 is an apocalyptic number.

It is an amenable number.

22321122013 is a deficient number, since it is larger than the sum of its proper divisors (368347643).

22321122013 is a wasteful number, since it uses less digits than its factorization.

22321122013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39215.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 22321122013 its reverse (31022112322), we get a palindrome (53343234335).

The spelling of 22321122013 in words is "twenty-two billion, three hundred twenty-one million, one hundred twenty-two thousand, thirteen".