200221222146 has 32 divisors (see below), whose sum is σ = 451909972800. Its totient is φ = 58580921280.

The previous prime is 200221222139. The next prime is 200221222147. The reversal of 200221222146 is 641222122002.

It is not an unprimeable number, because it can be changed into a prime (200221222147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52302481 + ... + 52306308.

It is an arithmetic number, because the mean of its divisors is an integer number (14122186650).

Almost surely, 2^200221222146 is an apocalyptic number.

200221222146 is an abundant number, since it is smaller than the sum of its proper divisors (251688750654).

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

200221222146 is a wasteful number, since it uses less digits than its factorization.

200221222146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104608834.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 200221222146 its reverse (641222122002), we get a palindrome (841443344148).

The spelling of 200221222146 in words is "two hundred billion, two hundred twenty-one million, two hundred twenty-two thousand, one hundred forty-six".