266090226 has 8 divisors (see below), whose sum is σ = 532180464. Its totient is φ = 88696740.

The previous prime is 266090219. The next prime is 266090233. The reversal of 266090226 is 622090662.

It is an interprime number because it is at equal distance from previous prime (266090219) and next prime (266090233).

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

266090226 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22174180 + ... + 22174191.

It is an arithmetic number, because the mean of its divisors is an integer number (66522558).

Almost surely, 2^266090226 is an apocalyptic number.

266090226 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

266090226 is a wasteful number, since it uses less digits than its factorization.

266090226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44348376.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 266090226 is about 16312.2722512837. The cubic root of 266090226 is about 643.1954656975.

The spelling of 266090226 in words is "two hundred sixty-six million, ninety thousand, two hundred twenty-six".