549782266 has 16 divisors (see below), whose sum is σ = 907901280. Its totient is φ = 247607280.

The previous prime is 549782263. The next prime is 549782269. The reversal of 549782266 is 662287945.

It is an interprime number because it is at equal distance from previous prime (549782263) and next prime (549782269).

It is not an unprimeable number, because it can be changed into a prime (549782263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112236 + ... + 117031.

It is an arithmetic number, because the mean of its divisors is an integer number (56743830).

Almost surely, 2^549782266 is an apocalyptic number.

549782266 is a deficient number, since it is larger than the sum of its proper divisors (358119014).

549782266 is a wasteful number, since it uses less digits than its factorization.

549782266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229389.

The product of its digits is 1451520, while the sum is 49.

The square root of 549782266 is about 23447.4362351196. The cubic root of 549782266 is about 819.2131386954.

The spelling of 549782266 in words is "five hundred forty-nine million, seven hundred eighty-two thousand, two hundred sixty-six".