222747648 has 88 divisors (see below), whose sum is σ = 613117440. Its totient is φ = 71823360.

The previous prime is 222747643. The next prime is 222747677. The reversal of 222747648 is 846747222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222747641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94063 + ... + 96401.

Almost surely, 2^222747648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222747648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (306558720).

222747648 is an abundant number, since it is smaller than the sum of its proper divisors (390369792).

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

222747648 is a wasteful number, since it uses less digits than its factorization.

222747648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2393 (or 2375 counting only the distinct ones).

The product of its digits is 301056, while the sum is 42.

The square root of 222747648 is about 14924.7327614266. The cubic root of 222747648 is about 606.1838695288.

The spelling of 222747648 in words is "two hundred twenty-two million, seven hundred forty-seven thousand, six hundred forty-eight".