63226420 has 12 divisors (see below), whose sum is σ = 132775524. Its totient is φ = 25290560.

The previous prime is 63226399. The next prime is 63226441. The reversal of 63226420 is 2462236.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (63226399) and next prime (63226441).

It can be written as a sum of positive squares in 2 ways, for example, as 13749264 + 49477156 = 3708^2 + 7034^2 .

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 in 3 ways as a sum of consecutive naturals, for example, 1580641 + ... + 1580680.

It is an arithmetic number, because the mean of its divisors is an integer number (11064627).

Almost surely, 2^63226420 is an apocalyptic number.

It is an amenable number.

63226420 is an abundant number, since it is smaller than the sum of its proper divisors (69549104).

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

63226420 is a wasteful number, since it uses less digits than its factorization.

63226420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3161330 (or 3161328 counting only the distinct ones).

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

The square root of 63226420 is about 7951.5042602013. The cubic root of 63226420 is about 398.3818377042.

Adding to 63226420 its reverse (2462236), we get a palindrome (65688656).

The spelling of 63226420 in words is "sixty-three million, two hundred twenty-six thousand, four hundred twenty".