26422001 has 4 divisors (see below), whose sum is σ = 26590452. Its totient is φ = 26253552.

The previous prime is 26421979. The next prime is 26422003. The reversal of 26422001 is 10022462.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7974976 + 18447025 = 2824^2 + 4295^2 .

It is a cyclic number.

It is not a de Polignac number, because 26422001 - 2⁶ = 26421937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26422003) 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 3 ways as a sum of consecutive naturals, for example, 83990 + ... + 84303.

It is an arithmetic number, because the mean of its divisors is an integer number (6647613).

Almost surely, 2^26422001 is an apocalyptic number.

It is an amenable number.

26422001 is a deficient number, since it is larger than the sum of its proper divisors (168451).

26422001 is a wasteful number, since it uses less digits than its factorization.

26422001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168450.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 26422001 is about 5140.2335550051. The cubic root of 26422001 is about 297.8438028031.

Adding to 26422001 its reverse (10022462), we get a palindrome (36444463).

The spelling of 26422001 in words is "twenty-six million, four hundred twenty-two thousand, one".