63222536 has 16 divisors (see below), whose sum is σ = 127661100. Its totient is φ = 29179584.

The previous prime is 63222521. The next prime is 63222539. The reversal of 63222536 is 63522236.

It can be written as a sum of positive squares in 2 ways, for example, as 57002500 + 6220036 = 7550^2 + 2494^2 .

It is a junction number, because it is equal to n+sod(n) for n = 63222499 and 63222508.

It is not an unprimeable number, because it can be changed into a prime (63222539) by changing a digit.

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, 303851 + ... + 304058.

Almost surely, 2^63222536 is an apocalyptic number.

It is an amenable number.

63222536 is an abundant number, since it is smaller than the sum of its proper divisors (64438564).

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

63222536 is a wasteful number, since it uses less digits than its factorization.

63222536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607928 (or 607924 counting only the distinct ones).

The product of its digits is 12960, while the sum is 29.

The square root of 63222536 is about 7951.2600259330. The cubic root of 63222536 is about 398.3736800029.

The spelling of 63222536 in words is "sixty-three million, two hundred twenty-two thousand, five hundred thirty-six".