26224420 has 24 divisors (see below), whose sum is σ = 56416248. Its totient is φ = 10233600.

The previous prime is 26224417. The next prime is 26224423. The reversal of 26224420 is 2442262.

It is an interprime number because it is at equal distance from previous prime (26224417) and next prime (26224423).

It can be written as a sum of positive squares in 4 ways, for example, as 1364224 + 24860196 = 1168^2 + 4986^2 .

It is a junction number, because it is equal to n+sod(n) for n = 26224391 and 26224400.

It is not an unprimeable number, because it can be changed into a prime (26224423) 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, 15171 + ... + 16810.

It is an arithmetic number, because the mean of its divisors is an integer number (2350677).

Almost surely, 2^26224420 is an apocalyptic number.

26224420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26224420 is an abundant number, since it is smaller than the sum of its proper divisors (30191828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26224420 is a wasteful number, since it uses less digits than its factorization.

26224420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32031 (or 32029 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 26224420 is about 5120.9784221377. The cubic root of 26224420 is about 297.0995294232.

Adding to 26224420 its reverse (2442262), we get a palindrome (28666682).

The spelling of 26224420 in words is "twenty-six million, two hundred twenty-four thousand, four hundred twenty".