63540822 has 8 divisors (see below), whose sum is σ = 127081656. Its totient is φ = 21180272.

The previous prime is 63540821. The next prime is 63540847. The reversal of 63540822 is 22804536.

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

63540822 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 63540822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63540821) 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, 5295063 + ... + 5295074.

It is an arithmetic number, because the mean of its divisors is an integer number (15885207).

Almost surely, 2^63540822 is an apocalyptic number.

63540822 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.

63540822 is a wasteful number, since it uses less digits than its factorization.

63540822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10590142.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 63540822 is about 7971.2497138153. The cubic root of 63540822 is about 399.0410821952.

The spelling of 63540822 in words is "sixty-three million, five hundred forty thousand, eight hundred twenty-two".