22488893 has 6 divisors (see below), whose sum is σ = 26160606. Its totient is φ = 19276152.

The previous prime is 22488887. The next prime is 22488941. The reversal of 22488893 is 39888422.

It can be written as a sum of positive squares in only one way, i.e., 19201924 + 3286969 = 4382^2 + 1813^2 .

It is not a de Polignac number, because 22488893 - 2⁴ = 22488877 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 (22488803) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 229430 + ... + 229527.

It is an arithmetic number, because the mean of its divisors is an integer number (4360101).

Almost surely, 2^22488893 is an apocalyptic number.

It is an amenable number.

22488893 is a deficient number, since it is larger than the sum of its proper divisors (3671713).

22488893 is an equidigital number, since it uses as much as digits as its factorization.

22488893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458971 (or 458964 counting only the distinct ones).

The product of its digits is 221184, while the sum is 44.

The square root of 22488893 is about 4742.2455651305. The cubic root of 22488893 is about 282.2643472976.

The spelling of 22488893 in words is "twenty-two million, four hundred eighty-eight thousand, eight hundred ninety-three".