26223022501 has 16 divisors (see below), whose sum is σ = 29775168640. Its totient is φ = 22894332480.

The previous prime is 26223022489. The next prime is 26223022559. The reversal of 26223022501 is 10522032262.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 26223022501 - 2⁹ = 26223021989 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 (26223022571) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64816 + ... + 238006.

It is an arithmetic number, because the mean of its divisors is an integer number (1860948040).

Almost surely, 2^26223022501 is an apocalyptic number.

It is an amenable number.

26223022501 is a deficient number, since it is larger than the sum of its proper divisors (3552146139).

26223022501 is a wasteful number, since it uses less digits than its factorization.

26223022501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173836.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 26223022501 its reverse (10522032262), we get a palindrome (36745054763).

The spelling of 26223022501 in words is "twenty-six billion, two hundred twenty-three million, twenty-two thousand, five hundred one".