222121441323 has 16 divisors (see below), whose sum is σ = 335277649440. Its totient is φ = 145286979552.

The previous prime is 222121441307. The next prime is 222121441343. The reversal of 222121441323 is 323144121222.

222121441323 is a `hidden beast` number, since 2 + 2 + 212 + 1 + 441 + 3 + 2 + 3 = 666.

It is not a de Polignac number, because 222121441323 - 2⁴ = 222121441307 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (222121441343) 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, 77609136 + ... + 77611997.

It is an arithmetic number, because the mean of its divisors is an integer number (20954853090).

Almost surely, 2^222121441323 is an apocalyptic number.

222121441323 is a deficient number, since it is larger than the sum of its proper divisors (113156208117).

222121441323 is a wasteful number, since it uses less digits than its factorization.

222121441323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155221195 (or 155221189 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

Adding to 222121441323 its reverse (323144121222), we get a palindrome (545265562545).

The spelling of 222121441323 in words is "two hundred twenty-two billion, one hundred twenty-one million, four hundred forty-one thousand, three hundred twenty-three".