26222393 has 4 divisors (see below), whose sum is σ = 26613840. Its totient is φ = 25830948.

The previous prime is 26222377. The next prime is 26222407. The reversal of 26222393 is 39322262.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 26222393 - 2⁴ = 26222377 is a prime.

It is a super-3 number, since 3×26222393³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (26222353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195623 + ... + 195756.

It is an arithmetic number, because the mean of its divisors is an integer number (6653460).

Almost surely, 2^26222393 is an apocalyptic number.

It is an amenable number.

26222393 is a deficient number, since it is larger than the sum of its proper divisors (391447).

26222393 is an equidigital number, since it uses as much as digits as its factorization.

26222393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391446.

The product of its digits is 7776, while the sum is 29.

The square root of 26222393 is about 5120.7805069149. The cubic root of 26222393 is about 297.0918745191.

The spelling of 26222393 in words is "twenty-six million, two hundred twenty-two thousand, three hundred ninety-three".