20222221331 has 8 divisors (see below), whose sum is σ = 22284237360. Its totient is φ = 18232556832.

The previous prime is 20222221321. The next prime is 20222221337. The reversal of 20222221331 is 13312222202.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20222221331 - 2³⁰ = 19148479507 is a prime.

It is a super-2 number, since 2×20222221331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20222221337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18087296 + ... + 18088413.

It is an arithmetic number, because the mean of its divisors is an integer number (2785529670).

Almost surely, 2^20222221331 is an apocalyptic number.

20222221331 is a deficient number, since it is larger than the sum of its proper divisors (2062016029).

20222221331 is a wasteful number, since it uses less digits than its factorization.

20222221331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36175765.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20222221331 its reverse (13312222202), we get a palindrome (33534443533).

The spelling of 20222221331 in words is "twenty billion, two hundred twenty-two million, two hundred twenty-one thousand, three hundred thirty-one".