26222861 has 8 divisors (see below), whose sum is σ = 30050304. Its totient is φ = 22415760.

The previous prime is 26222849. The next prime is 26222881. The reversal of 26222861 is 16822262.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 26222861 - 2⁶ = 26222797 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 (26222881) 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, 2210 + ... + 7571.

It is an arithmetic number, because the mean of its divisors is an integer number (3756288).

Almost surely, 2^26222861 is an apocalyptic number.

It is an amenable number.

26222861 is a deficient number, since it is larger than the sum of its proper divisors (3827443).

26222861 is an equidigital number, since it uses as much as digits as its factorization.

26222861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10171.

The product of its digits is 4608, while the sum is 29.

The square root of 26222861 is about 5120.8262028700. The cubic root of 26222861 is about 297.0936419419.

The spelling of 26222861 in words is "twenty-six million, two hundred twenty-two thousand, eight hundred sixty-one".