222412223121 has 8 divisors (see below), whose sum is σ = 323508688224. Its totient is φ = 134795286720.

The previous prime is 222412223107. The next prime is 222412223141. The reversal of 222412223121 is 121322214222.

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

It is not a de Polignac number, because 222412223121 - 2⁶ = 222412223057 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 222412223091 and 222412223100.

It is not an unprimeable number, because it can be changed into a prime (222412223141) 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, 3369882136 + ... + 3369882201.

It is an arithmetic number, because the mean of its divisors is an integer number (40438586028).

Almost surely, 2^222412223121 is an apocalyptic number.

It is an amenable number.

222412223121 is a deficient number, since it is larger than the sum of its proper divisors (101096465103).

222412223121 is a wasteful number, since it uses less digits than its factorization.

222412223121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6739764351.

The product of its digits is 1536, while the sum is 24.

Adding to 222412223121 its reverse (121322214222), we get a palindrome (343734437343).

The spelling of 222412223121 in words is "two hundred twenty-two billion, four hundred twelve million, two hundred twenty-three thousand, one hundred twenty-one".