63220445 has 16 divisors (see below), whose sum is σ = 79961472. Its totient is φ = 47889600.

The previous prime is 63220441. The next prime is 63220477. The reversal of 63220445 is 54402236.

It is not a de Polignac number, because 63220445 - 2² = 63220441 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63220441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8894 + ... + 14336.

It is an arithmetic number, because the mean of its divisors is an integer number (4997592).

Almost surely, 2^63220445 is an apocalyptic number.

It is an amenable number.

63220445 is a deficient number, since it is larger than the sum of its proper divisors (16741027).

63220445 is a wasteful number, since it uses less digits than its factorization.

63220445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5572.

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

The square root of 63220445 is about 7951.1285362519. The cubic root of 63220445 is about 398.3692880640.

The spelling of 63220445 in words is "sixty-three million, two hundred twenty thousand, four hundred forty-five".