222122133231 has 4 divisors (see below), whose sum is σ = 296162844312. Its totient is φ = 148081422152.

The previous prime is 222122133217. The next prime is 222122133251. The reversal of 222122133231 is 132331221222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 222122133231 - 2¹³ = 222122125039 is a prime.

It is a super-2 number, since 2×222122133231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222122133251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37020355536 + ... + 37020355541.

It is an arithmetic number, because the mean of its divisors is an integer number (74040711078).

Almost surely, 2^222122133231 is an apocalyptic number.

222122133231 is a deficient number, since it is larger than the sum of its proper divisors (74040711081).

222122133231 is an equidigital number, since it uses as much as digits as its factorization.

222122133231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74040711080.

The product of its digits is 1728, while the sum is 24.

Adding to 222122133231 its reverse (132331221222), we get a palindrome (354453354453).

The spelling of 222122133231 in words is "two hundred twenty-two billion, one hundred twenty-two million, one hundred thirty-three thousand, two hundred thirty-one".