22221154235013 has 8 divisors (see below), whose sum is σ = 29628246388800. Its totient is φ = 14814082452288.

The previous prime is 22221154234907. The next prime is 22221154235041. The reversal of 22221154235013 is 31053245112222.

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

It is not a de Polignac number, because 22221154235013 - 2⁸ = 22221154234757 is a prime.

It is a super-2 number, since 2×22221154235013² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22221154235083) 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, 2334033 + ... + 7063286.

It is an arithmetic number, because the mean of its divisors is an integer number (3703530798600).

Almost surely, 2^{22221154235013} is an apocalyptic number.

It is an amenable number.

22221154235013 is a deficient number, since it is larger than the sum of its proper divisors (7407092153787).

22221154235013 is an equidigital number, since it uses as much as digits as its factorization.

22221154235013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10185531.

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 22221154235013 its reverse (31053245112222), we get a palindrome (53274399347235).

The spelling of 22221154235013 in words is "twenty-two trillion, two hundred twenty-one billion, one hundred fifty-four million, two hundred thirty-five thousand, thirteen".