222346128146 has 16 divisors (see below), whose sum is σ = 333814509720. Its totient is φ = 111074664960.

The previous prime is 222346128071. The next prime is 222346128203. The reversal of 222346128146 is 641821643222.

222346128146 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 can be written as a sum of positive squares in 4 ways, for example, as 217757556025 + 4588572121 = 466645^2 + 67739^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16816130 + ... + 16829346.

Almost surely, 2^222346128146 is an apocalyptic number.

222346128146 is a deficient number, since it is larger than the sum of its proper divisors (111468381574).

222346128146 is a wasteful number, since it uses less digits than its factorization.

222346128146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20029.

The product of its digits is 221184, while the sum is 41.

The spelling of 222346128146 in words is "two hundred twenty-two billion, three hundred forty-six million, one hundred twenty-eight thousand, one hundred forty-six".