222354321 has 64 divisors (see below), whose sum is σ = 371589120. Its totient is φ = 115456320.

The previous prime is 222354313. The next prime is 222354323. The reversal of 222354321 is 123453222.

It is not a de Polignac number, because 222354321 - 2³ = 222354313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222354291 and 222354300.

It is not an unprimeable number, because it can be changed into a prime (222354323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1331380 + ... + 1331546.

It is an arithmetic number, because the mean of its divisors is an integer number (5806080).

Almost surely, 2^222354321 is an apocalyptic number.

222354321 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

222354321 is a deficient number, since it is larger than the sum of its proper divisors (149234799).

222354321 is a wasteful number, since it uses less digits than its factorization.

222354321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314.

The product of its digits is 2880, while the sum is 24.

The square root of 222354321 is about 14911.5499194416. The cubic root of 222354321 is about 605.8268602082.

The spelling of 222354321 in words is "two hundred twenty-two million, three hundred fifty-four thousand, three hundred twenty-one".