22001122222231 has 8 divisors (see below), whose sum is σ = 22421454686064. Its totient is φ = 21580982978880.

The previous prime is 22001122222187. The next prime is 22001122222253. The reversal of 22001122222231 is 13222222110022.

It is a happy number.

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 22001122222231 - 2⁹ = 22001122221719 is a prime.

It is a super-2 number, since 2×22001122222231² (a number of 27 digits) contains 22 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 (22001122222031) 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, 48075205 + ... + 48530686.

It is an arithmetic number, because the mean of its divisors is an integer number (2802681835758).

Almost surely, 2^{22001122222231} is an apocalyptic number.

22001122222231 is a deficient number, since it is larger than the sum of its proper divisors (420332463833).

22001122222231 is an equidigital number, since it uses as much as digits as its factorization.

22001122222231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96610241.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 22001122222231 its reverse (13222222110022), we get a palindrome (35223344332253).

The spelling of 22001122222231 in words is "twenty-two trillion, one billion, one hundred twenty-two million, two hundred twenty-two thousand, two hundred thirty-one".