275491226 has 4 divisors (see below), whose sum is σ = 413236842. Its totient is φ = 137745612.

The previous prime is 275491219. The next prime is 275491247. The reversal of 275491226 is 622194572.

275491226 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 260661025 + 14830201 = 16145^2 + 3851^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 275491226.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68872805 + ... + 68872808.

Almost surely, 2^275491226 is an apocalyptic number.

275491226 is a deficient number, since it is larger than the sum of its proper divisors (137745616).

275491226 is a wasteful number, since it uses less digits than its factorization.

275491226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137745615.

The product of its digits is 60480, while the sum is 38.

The square root of 275491226 is about 16597.9283647087. The cubic root of 275491226 is about 650.6826957306.

The spelling of 275491226 in words is "two hundred seventy-five million, four hundred ninety-one thousand, two hundred twenty-six".