22014865 has 8 divisors (see below), whose sum is σ = 26444520. Its totient is φ = 17594112.

The previous prime is 22014859. The next prime is 22014871. The reversal of 22014865 is 56841022.

It is a Cunningham number, because it is equal to 4692²+1.

It is an interprime number because it is at equal distance from previous prime (22014859) and next prime (22014871).

It can be written as a sum of positive squares in 4 ways, for example, as 1 + 22014864 = 1^2 + 4692^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22014865 - 2⁹ = 22014353 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5967 + ... + 8923.

It is an arithmetic number, because the mean of its divisors is an integer number (3305565).

Almost surely, 2^22014865 is an apocalyptic number.

It is an amenable number.

22014865 is a deficient number, since it is larger than the sum of its proper divisors (4429655).

22014865 is a wasteful number, since it uses less digits than its factorization.

22014865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4451.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 22014865 is about 4692.0001065644. Note that the first 3 decimals coincide. The cubic root of 22014865 is about 280.2670284245.

Adding to 22014865 its reverse (56841022), we get a palindrome (78855887).

The spelling of 22014865 in words is "twenty-two million, fourteen thousand, eight hundred sixty-five".