222021320331 has 16 divisors (see below), whose sum is σ = 311620749440. Its totient is φ = 140218646400.

The previous prime is 222021320321. The next prime is 222021320347. The reversal of 222021320331 is 133023120222.

It is a happy number.

222021320331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 222021320331 - 2⁶ = 222021320267 is a prime.

It is a super-2 number, since 2×222021320331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222021320298 and 222021320307.

It is not an unprimeable number, because it can be changed into a prime (222021320321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1882656 + ... + 1997106.

It is an arithmetic number, because the mean of its divisors is an integer number (19476296840).

Almost surely, 2^222021320331 is an apocalyptic number.

222021320331 is a deficient number, since it is larger than the sum of its proper divisors (89599429109).

222021320331 is a wasteful number, since it uses less digits than its factorization.

222021320331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148506.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 222021320331 its reverse (133023120222), we get a palindrome (355044440553).

The spelling of 222021320331 in words is "two hundred twenty-two billion, twenty-one million, three hundred twenty thousand, three hundred thirty-one".