20222116 has 12 divisors (see below), whose sum is σ = 35714140. Its totient is φ = 10018080.

The previous prime is 20222113. The next prime is 20222117. The reversal of 20222116 is 61122202.

It can be written as a sum of positive squares in 2 ways, for example, as 13719616 + 6502500 = 3704^2 + 2550^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20222116.

It is not an unprimeable number, because it can be changed into a prime (20222113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22755 + ... + 23626.

Almost surely, 2^20222116 is an apocalyptic number.

It is an amenable number.

20222116 is a deficient number, since it is larger than the sum of its proper divisors (15492024).

20222116 is a wasteful number, since it uses less digits than its factorization.

20222116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46494 (or 46492 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 20222116 is about 4496.9007104894. The cubic root of 20222116 is about 272.4429238258.

Adding to 20222116 its reverse (61122202), we get a palindrome (81344318).

The spelling of 20222116 in words is "twenty million, two hundred twenty-two thousand, one hundred sixteen".