26958229 has 2 divisors, whose sum is σ = 26958230. Its totient is φ = 26958228.

The previous prime is 26958223. The next prime is 26958233. The reversal of 26958229 is 92285962.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26471025 + 487204 = 5145^2 + 698^2 .

It is a cyclic number.

It is not a de Polignac number, because 26958229 - 2⁷ = 26958101 is a prime.

It is a super-2 number, since 2×26958229² = 1453492221632882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26958223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13479114 + 13479115.

It is an arithmetic number, because the mean of its divisors is an integer number (13479115).

Almost surely, 2^26958229 is an apocalyptic number.

It is an amenable number.

26958229 is a deficient number, since it is larger than the sum of its proper divisors (1).

26958229 is an equidigital number, since it uses as much as digits as its factorization.

26958229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 43.

The square root of 26958229 is about 5192.1314505702. The cubic root of 26958229 is about 299.8452127427.

The spelling of 26958229 in words is "twenty-six million, nine hundred fifty-eight thousand, two hundred twenty-nine".