22016131 has 2 divisors, whose sum is σ = 22016132. Its totient is φ = 22016130.

The previous prime is 22016101. The next prime is 22016161. The reversal of 22016131 is 13161022.

It is a balanced prime because it is at equal distance from previous prime (22016101) and next prime (22016161).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22016131 is a prime.

It is a super-2 number, since 2×22016131² = 969420048418322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22016101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11008065 + 11008066.

It is an arithmetic number, because the mean of its divisors is an integer number (11008066).

Almost surely, 2^22016131 is an apocalyptic number.

22016131 is a deficient number, since it is larger than the sum of its proper divisors (1).

22016131 is an equidigital number, since it uses as much as digits as its factorization.

22016131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 22016131 is about 4692.1350151077. The cubic root of 22016131 is about 280.2724007227.

Adding to 22016131 its reverse (13161022), we get a palindrome (35177153).

The spelling of 22016131 in words is "twenty-two million, sixteen thousand, one hundred thirty-one".