22113061 has 2 divisors, whose sum is σ = 22113062. Its totient is φ = 22113060.

The previous prime is 22113059. The next prime is 22113067. The reversal of 22113061 is 16031122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20304036 + 1809025 = 4506^2 + 1345^2 .

It is a cyclic number.

It is not a de Polignac number, because 22113061 - 2¹ = 22113059 is a prime.

Together with 22113059, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22113067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11056530 + 11056531.

It is an arithmetic number, because the mean of its divisors is an integer number (11056531).

Almost surely, 2^22113061 is an apocalyptic number.

It is an amenable number.

22113061 is a deficient number, since it is larger than the sum of its proper divisors (1).

22113061 is an equidigital number, since it uses as much as digits as its factorization.

22113061 is an evil number, because the sum of its binary digits is even.

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

The square root of 22113061 is about 4702.4526579222. The cubic root of 22113061 is about 280.6831152137.

Adding to 22113061 its reverse (16031122), we get a palindrome (38144183).

The spelling of 22113061 in words is "twenty-two million, one hundred thirteen thousand, sixty-one".