20222222331 has 16 divisors (see below), whose sum is σ = 27010368000. Its totient is φ = 13457803968.

The previous prime is 20222222327. The next prime is 20222222341. The reversal of 20222222331 is 13322222202.

It is not a de Polignac number, because 20222222331 - 2² = 20222222327 is a prime.

It is a super-2 number, since 2×20222222331² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20222222298 and 20222222307.

It is not an unprimeable number, because it can be changed into a prime (20222222341) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 6566250 + ... + 6569328.

It is an arithmetic number, because the mean of its divisors is an integer number (1688148000).

Almost surely, 2^20222222331 is an apocalyptic number.

20222222331 is a deficient number, since it is larger than the sum of its proper divisors (6788145669).

20222222331 is a wasteful number, since it uses less digits than its factorization.

20222222331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6218.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 20222222331 its reverse (13322222202), we get a palindrome (33544444533).

The spelling of 20222222331 in words is "twenty billion, two hundred twenty-two million, two hundred twenty-two thousand, three hundred thirty-one".