202421220222 has 32 divisors (see below), whose sum is σ = 436453627680. Its totient is φ = 62216386560.

The previous prime is 202421220187. The next prime is 202421220241. The reversal of 202421220222 is 222022124202.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1324279 + ... + 1469202.

It is an arithmetic number, because the mean of its divisors is an integer number (13639175865).

Almost surely, 2^202421220222 is an apocalyptic number.

202421220222 is an abundant number, since it is smaller than the sum of its proper divisors (234032407458).

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

202421220222 is a wasteful number, since it uses less digits than its factorization.

202421220222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2794428.

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 202421220222 its reverse (222022124202), we get a palindrome (424443344424).

The spelling of 202421220222 in words is "two hundred two billion, four hundred twenty-one million, two hundred twenty thousand, two hundred twenty-two".