63222016 has 108 divisors (see below), whose sum is σ = 150334156. Its totient is φ = 26357760.

The previous prime is 63222007. The next prime is 63222017. The reversal of 63222016 is 61022236.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 13660416 + 49561600 = 3696^2 + 7040^2 .

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (63222017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 402610 + ... + 402766.

Almost surely, 2^63222016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63222016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75167078).

63222016 is an abundant number, since it is smaller than the sum of its proper divisors (87112140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63222016 is a wasteful number, since it uses less digits than its factorization.

63222016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208 (or 183 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 63222016 is about 7951.2273266459. The cubic root of 63222016 is about 398.3725878033.

It can be divided in two parts, 632220 and 16, that added together give a palindrome (632236).

The spelling of 63222016 in words is "sixty-three million, two hundred twenty-two thousand, sixteen".