222021020330 has 16 divisors (see below), whose sum is σ = 399678088104. Its totient is φ = 88799463360.

The previous prime is 222021020311. The next prime is 222021020341. The reversal of 222021020330 is 33020120222.

It can be written as a sum of positive squares in 4 ways, for example, as 115886457241 + 106134563089 = 340421^2 + 325783^2 .

It is a junction number, because it is equal to n+sod(n) for n = 222021020299 and 222021020308.

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, 1013381 + ... + 1212840.

Almost surely, 2^222021020330 is an apocalyptic number.

222021020330 is a deficient number, since it is larger than the sum of its proper divisors (177657067774).

222021020330 is a wasteful number, since it uses less digits than its factorization.

222021020330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2236201.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 222021020330 its reverse (33020120222), we get a palindrome (255041140552).

The spelling of 222021020330 in words is "two hundred twenty-two billion, twenty-one million, twenty thousand, three hundred thirty".