222146630021 has 16 divisors (see below), whose sum is σ = 231294977280. Its totient is φ = 213200947200.

The previous prime is 222146629979. The next prime is 222146630047. The reversal of 222146630021 is 120036641222.

222146630021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222146630021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222146630051) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1012085 + ... + 1211861.

It is an arithmetic number, because the mean of its divisors is an integer number (14455936080).

Almost surely, 2^222146630021 is an apocalyptic number.

It is an amenable number.

222146630021 is a deficient number, since it is larger than the sum of its proper divisors (9148347259).

222146630021 is a wasteful number, since it uses less digits than its factorization.

222146630021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200284.

The product of its (nonzero) digits is 6912, while the sum is 29.

The spelling of 222146630021 in words is "two hundred twenty-two billion, one hundred forty-six million, six hundred thirty thousand, twenty-one".