222021220210 has 32 divisors (see below), whose sum is σ = 400962078720. Its totient is φ = 88514619648.

The previous prime is 222021220193. The next prime is 222021220237. The reversal of 222021220210 is 12022120222.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5660346 + ... + 5699434.

It is an arithmetic number, because the mean of its divisors is an integer number (12530064960).

Almost surely, 2^222021220210 is an apocalyptic number.

222021220210 is a deficient number, since it is larger than the sum of its proper divisors (178940858510).

222021220210 is a wasteful number, since it uses less digits than its factorization.

222021220210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40962.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 222021220210 its reverse (12022120222), we get a palindrome (234043340432).

It can be divided in two parts, 2220212 and 20210, that added together give a palindrome (2240422).

The spelling of 222021220210 in words is "two hundred twenty-two billion, twenty-one million, two hundred twenty thousand, two hundred ten".