222684249 has 8 divisors (see below), whose sum is σ = 299795392. Its totient is φ = 147014640.

The previous prime is 222684233. The next prime is 222684271. The reversal of 222684249 is 942486222.

222684249 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 not a de Polignac number, because 222684249 - 2⁴ = 222684233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222684289) 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, 360022 + ... + 360639.

It is an arithmetic number, because the mean of its divisors is an integer number (37474424).

Almost surely, 2^222684249 is an apocalyptic number.

It is an amenable number.

222684249 is a deficient number, since it is larger than the sum of its proper divisors (77111143).

222684249 is a wasteful number, since it uses less digits than its factorization.

222684249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720767.

The product of its digits is 110592, while the sum is 39.

The square root of 222684249 is about 14922.6086526452. The cubic root of 222684249 is about 606.1263528753.

The spelling of 222684249 in words is "two hundred twenty-two million, six hundred eighty-four thousand, two hundred forty-nine".