222351321 has 8 divisors (see below), whose sum is σ = 297089280. Its totient is φ = 147923792.

The previous prime is 222351307. The next prime is 222351361. The reversal of 222351321 is 123153222.

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 222351321 - 2⁹ = 222350809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222351301) 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, 75930 + ... + 78803.

It is an arithmetic number, because the mean of its divisors is an integer number (37136160).

Almost surely, 2^222351321 is an apocalyptic number.

It is an amenable number.

222351321 is a deficient number, since it is larger than the sum of its proper divisors (74737959).

222351321 is a wasteful number, since it uses less digits than its factorization.

222351321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155215.

The product of its digits is 720, while the sum is 21.

The square root of 222351321 is about 14911.4493259374. The cubic root of 222351321 is about 605.8241355947.

The spelling of 222351321 in words is "two hundred twenty-two million, three hundred fifty-one thousand, three hundred twenty-one".