22454893 has 8 divisors (see below), whose sum is σ = 23442200. Its totient is φ = 21487680.

The previous prime is 22454879. The next prime is 22454899. The reversal of 22454893 is 39845422.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1542564 + 20912329 = 1242^2 + 4573^2 .

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-22454893 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22454899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2718 + ... + 7231.

It is an arithmetic number, because the mean of its divisors is an integer number (2930275).

Almost surely, 2^22454893 is an apocalyptic number.

It is an amenable number.

22454893 is a deficient number, since it is larger than the sum of its proper divisors (987307).

22454893 is an equidigital number, since it uses as much as digits as its factorization.

22454893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10047.

The product of its digits is 69120, while the sum is 37.

The square root of 22454893 is about 4738.6594095799. The cubic root of 22454893 is about 282.1220277342.

The spelling of 22454893 in words is "twenty-two million, four hundred fifty-four thousand, eight hundred ninety-three".