222830072 has 32 divisors (see below), whose sum is σ = 443141280. Its totient is φ = 104818560.

The previous prime is 222830071. The next prime is 222830087. The reversal of 222830072 is 270038222.

222830072 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 (222830071) 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, 1298 + ... + 21150.

It is an arithmetic number, because the mean of its divisors is an integer number (13848165).

Almost surely, 2^222830072 is an apocalyptic number.

It is an amenable number.

222830072 is a deficient number, since it is larger than the sum of its proper divisors (220311208).

222830072 is a wasteful number, since it uses less digits than its factorization.

222830072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19943 (or 19939 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 222830072 is about 14927.4938285032. The cubic root of 222830072 is about 606.2586296713.

Adding to 222830072 its reverse (270038222), we get a palindrome (492868294).

The spelling of 222830072 in words is "two hundred twenty-two million, eight hundred thirty thousand, seventy-two".