63866226 has 8 divisors (see below), whose sum is σ = 127732464. Its totient is φ = 21288740.

The previous prime is 63866221. The next prime is 63866227. The reversal of 63866226 is 62266836.

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

63866226 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (63866221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5322180 + ... + 5322191.

It is an arithmetic number, because the mean of its divisors is an integer number (15966558).

Almost surely, 2^63866226 is an apocalyptic number.

63866226 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.

63866226 is a wasteful number, since it uses less digits than its factorization.

63866226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10644376.

The product of its digits is 124416, while the sum is 39.

The square root of 63866226 is about 7991.6347514135. The cubic root of 63866226 is about 399.7211097624.

The spelling of 63866226 in words is "sixty-three million, eight hundred sixty-six thousand, two hundred twenty-six".