222120330023 has 4 divisors (see below), whose sum is σ = 222122122560. Its totient is φ = 222118537488.

The previous prime is 222120330011. The next prime is 222120330049. The reversal of 222120330023 is 320033021222.

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 222120330023 - 2¹⁰ = 222120328999 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222120329977 and 222120330004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222120335023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 695390 + ... + 963227.

It is an arithmetic number, because the mean of its divisors is an integer number (55530530640).

Almost surely, 2^222120330023 is an apocalyptic number.

222120330023 is a deficient number, since it is larger than the sum of its proper divisors (1792537).

222120330023 is a wasteful number, since it uses less digits than its factorization.

222120330023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1792536.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 222120330023 its reverse (320033021222), we get a palindrome (542153351245).

The spelling of 222120330023 in words is "two hundred twenty-two billion, one hundred twenty million, three hundred thirty thousand, twenty-three".