222788000 has 48 divisors (see below), whose sum is σ = 547399944. Its totient is φ = 89113600.

The previous prime is 222787997. The next prime is 222788003. The reversal of 222788000 is 887222.

222788000 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (222787997) and next prime (222788003).

It can be written as a sum of positive squares in 4 ways, for example, as 149719696 + 73068304 = 12236^2 + 8548^2 .

It is not an unprimeable number, because it can be changed into a prime (222788003) 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, 23849 + ... + 31848.

Almost surely, 2^222788000 is an apocalyptic number.

222788000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222788000 is an abundant number, since it is smaller than the sum of its proper divisors (324611944).

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

222788000 is an equidigital number, since it uses as much as digits as its factorization.

222788000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55722 (or 55704 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 222788000 is about 14926.0845502094. The cubic root of 222788000 is about 606.2204718675.

The spelling of 222788000 in words is "two hundred twenty-two million, seven hundred eighty-eight thousand".