26422403 has 24 divisors (see below), whose sum is σ = 33038112. Its totient is φ = 20680704.

The previous prime is 26422399. The next prime is 26422421. The reversal of 26422403 is 30422462.

It is not a de Polignac number, because 26422403 - 2² = 26422399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26422453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74675 + ... + 75027.

It is an arithmetic number, because the mean of its divisors is an integer number (1376588).

Almost surely, 2^26422403 is an apocalyptic number.

26422403 is a deficient number, since it is larger than the sum of its proper divisors (6615709).

26422403 is a wasteful number, since it uses less digits than its factorization.

26422403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431 (or 414 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 26422403 is about 5140.2726581379. The cubic root of 26422403 is about 297.8453133196.

Adding to 26422403 its reverse (30422462), we get a palindrome (56844865).

The spelling of 26422403 in words is "twenty-six million, four hundred twenty-two thousand, four hundred three".