222636224 has 28 divisors (see below), whose sum is σ = 465048600. Its totient is φ = 105458688.

The previous prime is 222636223. The next prime is 222636263. The reversal of 222636224 is 422636222.

It is not an unprimeable number, because it can be changed into a prime (222636223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90329 + ... + 92760.

Almost surely, 2^222636224 is an apocalyptic number.

It is an amenable number.

222636224 is an abundant number, since it is smaller than the sum of its proper divisors (242412376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222636224 is a wasteful number, since it uses less digits than its factorization.

222636224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183120 (or 183110 counting only the distinct ones).

The product of its digits is 13824, while the sum is 29.

The square root of 222636224 is about 14920.9994303331. Note that the first 3 decimals coincide. The cubic root of 222636224 is about 606.0827765094.

The spelling of 222636224 in words is "two hundred twenty-two million, six hundred thirty-six thousand, two hundred twenty-four".