26220189 has 8 divisors (see below), whose sum is σ = 35111232. Its totient is φ = 17404640.

The previous prime is 26220163. The next prime is 26220191. The reversal of 26220189 is 98102262.

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 26220189 - 2⁵ = 26220157 is a prime.

It is a super-2 number, since 2×26220189² = 1374996622391442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26220119) 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 7 ways as a sum of consecutive naturals, for example, 18057 + ... + 19454.

It is an arithmetic number, because the mean of its divisors is an integer number (4388904).

Almost surely, 2^26220189 is an apocalyptic number.

It is an amenable number.

26220189 is a deficient number, since it is larger than the sum of its proper divisors (8891043).

26220189 is a wasteful number, since it uses less digits than its factorization.

26220189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37747.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 26220189 is about 5120.5653008237. The cubic root of 26220189 is about 297.0835507321.

The spelling of 26220189 in words is "twenty-six million, two hundred twenty thousand, one hundred eighty-nine".