22333222133221 has 16 divisors (see below), whose sum is σ = 23723107962048. Its totient is φ = 20951824608000.

The previous prime is 22333222133219. The next prime is 22333222133273. The reversal of 22333222133221 is 12233122233322.

It is a cyclic number.

It is not a de Polignac number, because 22333222133221 - 2¹ = 22333222133219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22333222133291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28029091 + ... + 28814863.

It is an arithmetic number, because the mean of its divisors is an integer number (1482694247628).

Almost surely, 2^{22333222133221} is an apocalyptic number.

It is an amenable number.

22333222133221 is a deficient number, since it is larger than the sum of its proper divisors (1389885828827).

22333222133221 is a wasteful number, since it uses less digits than its factorization.

22333222133221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791172.

The product of its digits is 31104, while the sum is 31.

Adding to 22333222133221 its reverse (12233122233322), we get a palindrome (34566344366543).

The spelling of 22333222133221 in words is "twenty-two trillion, three hundred thirty-three billion, two hundred twenty-two million, one hundred thirty-three thousand, two hundred twenty-one".