22014661 has 2 divisors, whose sum is σ = 22014662. Its totient is φ = 22014660.

The previous prime is 22014653. The next prime is 22014719. The reversal of 22014661 is 16641022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16402500 + 5612161 = 4050^2 + 2369^2 .

It is a cyclic number.

It is not a de Polignac number, because 22014661 - 2³ = 22014653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22014631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11007330 + 11007331.

It is an arithmetic number, because the mean of its divisors is an integer number (11007331).

Almost surely, 2^22014661 is an apocalyptic number.

It is an amenable number.

22014661 is a deficient number, since it is larger than the sum of its proper divisors (1).

22014661 is an equidigital number, since it uses as much as digits as its factorization.

22014661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 22014661 is about 4691.9783673841. The cubic root of 22014661 is about 280.2661627269.

Adding to 22014661 its reverse (16641022), we get a palindrome (38655683).

The spelling of 22014661 in words is "twenty-two million, fourteen thousand, six hundred sixty-one".