63221344 has 24 divisors (see below), whose sum is σ = 127505448. Its totient is φ = 30839040.

The previous prime is 63221329. The next prime is 63221359. The reversal of 63221344 is 44312236.

It is an interprime number because it is at equal distance from previous prime (63221329) and next prime (63221359).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22782 + ... + 25405.

It is an arithmetic number, because the mean of its divisors is an integer number (5312727).

Almost surely, 2^63221344 is an apocalyptic number.

It is an amenable number.

63221344 is an abundant number, since it is smaller than the sum of its proper divisors (64284104).

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

63221344 is a wasteful number, since it uses less digits than its factorization.

63221344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48238 (or 48230 counting only the distinct ones).

The product of its digits is 3456, while the sum is 25.

The square root of 63221344 is about 7951.1850689064. The cubic root of 63221344 is about 398.3711763366.

The spelling of 63221344 in words is "sixty-three million, two hundred twenty-one thousand, three hundred forty-four".