222006140 has 36 divisors (see below), whose sum is σ = 472913784. Its totient is φ = 87543936.

The previous prime is 222006133. The next prime is 222006149. The reversal of 222006140 is 41600222.

222006140 is digitally balanced in base 3, 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 (222006149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105539 + ... + 107621.

It is an arithmetic number, because the mean of its divisors is an integer number (13136494).

Almost surely, 2^222006140 is an apocalyptic number.

222006140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222006140 is an abundant number, since it is smaller than the sum of its proper divisors (250907644).

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

222006140 is a wasteful number, since it uses less digits than its factorization.

222006140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2238 (or 2163 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 222006140 is about 14899.8704692356. The cubic root of 222006140 is about 605.5104768820.

Adding to 222006140 its reverse (41600222), we get a palindrome (263606362).

The spelling of 222006140 in words is "two hundred twenty-two million, six thousand, one hundred forty".