222522006 has 32 divisors (see below), whose sum is σ = 521031168. Its totient is φ = 62026560.

The previous prime is 222521969. The next prime is 222522011. The reversal of 222522006 is 600225222.

222522006 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62890 + ... + 66333.

It is an arithmetic number, because the mean of its divisors is an integer number (16282224).

Almost surely, 2^222522006 is an apocalyptic number.

222522006 is an abundant number, since it is smaller than the sum of its proper divisors (298509162).

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

222522006 is a wasteful number, since it uses less digits than its factorization.

222522006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129276.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 222522006 is about 14917.1715147343. The cubic root of 222522006 is about 605.9791135282.

Adding to 222522006 its reverse (600225222), we get a palindrome (822747228).

The spelling of 222522006 in words is "two hundred twenty-two million, five hundred twenty-two thousand, six".