222648788 has 12 divisors (see below), whose sum is σ = 390472992. Its totient is φ = 111085080.

The previous prime is 222648787. The next prime is 222648793. The reversal of 222648788 is 887846222.

222648788 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222648787) 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, 57728 + ... + 61463.

It is an arithmetic number, because the mean of its divisors is an integer number (32539416).

Almost surely, 2^222648788 is an apocalyptic number.

It is an amenable number.

222648788 is a deficient number, since it is larger than the sum of its proper divisors (167824204).

222648788 is a wasteful number, since it uses less digits than its factorization.

222648788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119662 (or 119660 counting only the distinct ones).

The product of its digits is 688128, while the sum is 47.

The square root of 222648788 is about 14921.4204417676. The cubic root of 222648788 is about 606.0941772908.

The spelling of 222648788 in words is "two hundred twenty-two million, six hundred forty-eight thousand, seven hundred eighty-eight".