63220426 has 4 divisors (see below), whose sum is σ = 94830642. Its totient is φ = 31610212.

The previous prime is 63220411. The next prime is 63220441. The reversal of 63220426 is 62402236.

It is a happy number.

63220426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (63220411) and next prime (63220441).

It can be written as a sum of positive squares in only one way, i.e., 63218401 + 2025 = 7951^2 + 45^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 63220426.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 15805105 + ... + 15805108.

Almost surely, 2^63220426 is an apocalyptic number.

63220426 is a deficient number, since it is larger than the sum of its proper divisors (31610216).

63220426 is a wasteful number, since it uses less digits than its factorization.

63220426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31610215.

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

The square root of 63220426 is about 7951.1273414529. The cubic root of 63220426 is about 398.3692481559.

The spelling of 63220426 in words is "sixty-three million, two hundred twenty thousand, four hundred twenty-six".