22448693 has 8 divisors (see below), whose sum is σ = 22764888. Its totient is φ = 22134784.

The previous prime is 22448669. The next prime is 22448731. The reversal of 22448693 is 39684422.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 386884 + 22061809 = 622^2 + 4697^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22448693 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22448663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28655 + ... + 29427.

It is an arithmetic number, because the mean of its divisors is an integer number (2845611).

Almost surely, 2^22448693 is an apocalyptic number.

It is an amenable number.

22448693 is a deficient number, since it is larger than the sum of its proper divisors (316195).

22448693 is a wasteful number, since it uses less digits than its factorization.

22448693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1143.

The product of its digits is 82944, while the sum is 38.

The square root of 22448693 is about 4738.0051709554. The cubic root of 22448693 is about 282.0960598589.

The spelling of 22448693 in words is "twenty-two million, four hundred forty-eight thousand, six hundred ninety-three".