222021320330 has 16 divisors (see below), whose sum is σ = 399719314944. Its totient is φ = 88790541840.

The previous prime is 222021320321. The next prime is 222021320347. The reversal of 222021320330 is 33023120222.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2196386 + ... + 2295245.

It is an arithmetic number, because the mean of its divisors is an integer number (24982457184).

Almost surely, 2^222021320330 is an apocalyptic number.

222021320330 is a deficient number, since it is larger than the sum of its proper divisors (177697994614).

222021320330 is a wasteful number, since it uses less digits than its factorization.

222021320330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4496581.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 222021320330 its reverse (33023120222), we get a palindrome (255044440552).

The spelling of 222021320330 in words is "two hundred twenty-two billion, twenty-one million, three hundred twenty thousand, three hundred thirty".