63220544 has 14 divisors (see below), whose sum is σ = 125453394. Its totient is φ = 31610240.

The previous prime is 63220523. The next prime is 63220559. The reversal of 63220544 is 44502236.

It can be written as a sum of positive squares in only one way, i.e., 62220544 + 1000000 = 7888^2 + 1000^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493847 + ... + 493974.

Almost surely, 2^63220544 is an apocalyptic number.

63220544 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

63220544 is a deficient number, since it is larger than the sum of its proper divisors (62232850).

63220544 is an equidigital number, since it uses as much as digits as its factorization.

63220544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987833 (or 987823 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 63220544 is about 7951.1347617809. The cubic root of 63220544 is about 398.3694960059.

The spelling of 63220544 in words is "sixty-three million, two hundred twenty thousand, five hundred forty-four".