202221226 has 16 divisors (see below), whose sum is σ = 307416384. Its totient is φ = 99757024.

The previous prime is 202221203. The next prime is 202221233. The reversal of 202221226 is 622122202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54486 + ... + 58078.

It is an arithmetic number, because the mean of its divisors is an integer number (19213524).

Almost surely, 2^202221226 is an apocalyptic number.

202221226 is a deficient number, since it is larger than the sum of its proper divisors (105195158).

202221226 is a wasteful number, since it uses less digits than its factorization.

202221226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3965.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 202221226 is about 14220.4509773776. The cubic root of 202221226 is about 586.9605500005.

Adding to 202221226 its reverse (622122202), we get a palindrome (824343428).

The spelling of 202221226 in words is "two hundred two million, two hundred twenty-one thousand, two hundred twenty-six".