222021220002 has 16 divisors (see below), whose sum is σ = 459354248640. Its totient is φ = 71455105232.

The previous prime is 222021219977. The next prime is 222021220021. The reversal of 222021220002 is 200022120222.

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 7 ways as a sum of consecutive naturals, for example, 637991838 + ... + 637992185.

It is an arithmetic number, because the mean of its divisors is an integer number (28709640540).

Almost surely, 2^222021220002 is an apocalyptic number.

222021220002 is an abundant number, since it is smaller than the sum of its proper divisors (237333028638).

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

222021220002 is a wasteful number, since it uses less digits than its factorization.

222021220002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1275984057.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 222021220002 its reverse (200022120222), we get a palindrome (422043340224).

The spelling of 222021220002 in words is "two hundred twenty-two billion, twenty-one million, two hundred twenty thousand, two".