222121222023 has 8 divisors (see below), whose sum is σ = 296555988736. Its totient is φ = 147883635000.

The previous prime is 222121222019. The next prime is 222121222031. The reversal of 222121222023 is 320222121222.

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

It is not a de Polignac number, because 222121222023 - 2² = 222121222019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222121222033) 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, 49292293 + ... + 49296798.

It is an arithmetic number, because the mean of its divisors is an integer number (37069498592).

Almost surely, 2^222121222023 is an apocalyptic number.

222121222023 is a deficient number, since it is larger than the sum of its proper divisors (74434766713).

222121222023 is an equidigital number, since it uses as much as digits as its factorization.

222121222023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98589845.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 222121222023 its reverse (320222121222), we get a palindrome (542343343245).

The spelling of 222121222023 in words is "two hundred twenty-two billion, one hundred twenty-one million, two hundred twenty-two thousand, twenty-three".