63220344 has 64 divisors (see below), whose sum is σ = 174199680. Its totient is φ = 18960000.

The previous prime is 63220343. The next prime is 63220387. The reversal of 63220344 is 44302236.

It is a happy number.

63220344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63220343) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 25479 + ... + 27849.

It is an arithmetic number, because the mean of its divisors is an integer number (2721870).

Almost surely, 2^63220344 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 63220344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87099840).

63220344 is an abundant number, since it is smaller than the sum of its proper divisors (110979336).

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

63220344 is a wasteful number, since it uses less digits than its factorization.

63220344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2492 (or 2488 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 63220344 is about 7951.1221849497. The cubic root of 63220344 is about 398.3690759210.

The spelling of 63220344 in words is "sixty-three million, two hundred twenty thousand, three hundred forty-four".