222342121 has 8 divisors (see below), whose sum is σ = 229046400. Its totient is φ = 215707632.

The previous prime is 222342097. The next prime is 222342151. The reversal of 222342121 is 121243222.

222342121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 222342121 - 2⁷ = 222341993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222342151) 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, 10945 + ... + 23758.

It is an arithmetic number, because the mean of its divisors is an integer number (28630800).

Almost surely, 2^222342121 is an apocalyptic number.

It is an amenable number.

222342121 is a deficient number, since it is larger than the sum of its proper divisors (6704279).

222342121 is a wasteful number, since it uses less digits than its factorization.

222342121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34895.

The product of its digits is 384, while the sum is 19.

The square root of 222342121 is about 14911.1408349596. The cubic root of 222342121 is about 605.8157799605.

Adding to 222342121 its reverse (121243222), we get a palindrome (343585343).

It can be divided in two parts, 2223 and 42121, that added together give a palindrome (44344).

The spelling of 222342121 in words is "two hundred twenty-two million, three hundred forty-two thousand, one hundred twenty-one".