26226157 has 4 divisors (see below), whose sum is σ = 26656156. Its totient is φ = 25796160.

The previous prime is 26226143. The next prime is 26226197. The reversal of 26226157 is 75162262.

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 4519876 + 21706281 = 2126^2 + 4659^2 .

It is a cyclic number.

It is not a de Polignac number, because 26226157 - 2⁷ = 26226029 is a prime.

It is a super-2 number, since 2×26226157² = 1375622621977298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26226107) 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, 214908 + ... + 215029.

It is an arithmetic number, because the mean of its divisors is an integer number (6664039).

Almost surely, 2^26226157 is an apocalyptic number.

It is an amenable number.

26226157 is a deficient number, since it is larger than the sum of its proper divisors (429999).

26226157 is an equidigital number, since it uses as much as digits as its factorization.

26226157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429998.

The product of its digits is 10080, while the sum is 31.

The square root of 26226157 is about 5121.1480158261. The cubic root of 26226157 is about 297.1060888373.

The spelling of 26226157 in words is "twenty-six million, two hundred twenty-six thousand, one hundred fifty-seven".