22026061 has 4 divisors (see below), whose sum is σ = 22563324. Its totient is φ = 21488800.

The previous prime is 22026041. The next prime is 22026077. The reversal of 22026061 is 16062022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5978025 + 16048036 = 2445^2 + 4006^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22026061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22026031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 268570 + ... + 268651.

It is an arithmetic number, because the mean of its divisors is an integer number (5640831).

Almost surely, 2^22026061 is an apocalyptic number.

It is an amenable number.

22026061 is a deficient number, since it is larger than the sum of its proper divisors (537263).

22026061 is an equidigital number, since it uses as much as digits as its factorization.

22026061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537262.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 22026061 is about 4693.1930495133. The cubic root of 22026061 is about 280.3145317496.

Adding to 22026061 its reverse (16062022), we get a palindrome (38088083).

The spelling of 22026061 in words is "twenty-two million, twenty-six thousand, sixty-one".