491053226 has 4 divisors (see below), whose sum is σ = 736579842. Its totient is φ = 245526612.

The previous prime is 491053217. The next prime is 491053231. The reversal of 491053226 is 622350194.

It is a happy number.

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., 452625625 + 38427601 = 21275^2 + 6199^2 .

It is a super-2 number, since 2×491053226² = 482266541530014152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 491053192 and 491053201.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 122763305 + ... + 122763308.

Almost surely, 2^491053226 is an apocalyptic number.

491053226 is a deficient number, since it is larger than the sum of its proper divisors (245526616).

491053226 is a wasteful number, since it uses less digits than its factorization.

491053226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245526615.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 491053226 is about 22159.7208014903. The cubic root of 491053226 is about 788.9379661578.

The spelling of 491053226 in words is "four hundred ninety-one million, fifty-three thousand, two hundred twenty-six".