22014397 has 4 divisors (see below), whose sum is σ = 22024156. Its totient is φ = 22004640.

The previous prime is 22014389. The next prime is 22014401. The reversal of 22014397 is 79341022.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 79341022 = 2 ⋅39670511.

It can be written as a sum of positive squares in 2 ways, for example, as 12809241 + 9205156 = 3579^2 + 3034^2 .

It is a cyclic number.

It is not a de Polignac number, because 22014397 - 2³ = 22014389 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 (22014367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 433 + ... + 6649.

It is an arithmetic number, because the mean of its divisors is an integer number (5506039).

Almost surely, 2^22014397 is an apocalyptic number.

It is an amenable number.

22014397 is a deficient number, since it is larger than the sum of its proper divisors (9759).

22014397 is an equidigital number, since it uses as much as digits as its factorization.

22014397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9758.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 22014397 is about 4691.9502341777. The cubic root of 22014397 is about 280.2650424043.

The spelling of 22014397 in words is "twenty-two million, fourteen thousand, three hundred ninety-seven".