222858346 has 4 divisors (see below), whose sum is σ = 334287522. Its totient is φ = 111429172.

The previous prime is 222858341. The next prime is 222858347. The reversal of 222858346 is 643858222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 210685225 + 12173121 = 14515^2 + 3489^2 .

It is a junction number, because it is equal to n+sod(n) for n = 222858299 and 222858308.

It is not an unprimeable number, because it can be changed into a prime (222858341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55714585 + ... + 55714588.

Almost surely, 2^222858346 is an apocalyptic number.

222858346 is a deficient number, since it is larger than the sum of its proper divisors (111429176).

222858346 is a wasteful number, since it uses less digits than its factorization.

222858346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111429175.

The product of its digits is 184320, while the sum is 40.

The square root of 222858346 is about 14928.4408429012. The cubic root of 222858346 is about 606.2842704827.

The spelling of 222858346 in words is "two hundred twenty-two million, eight hundred fifty-eight thousand, three hundred forty-six".