63222460 has 48 divisors (see below), whose sum is σ = 152216064. Its totient is φ = 21607488.

The previous prime is 63222457. The next prime is 63222461. The reversal of 63222460 is 6422236.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63222461) 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, 64897 + ... + 65863.

It is an arithmetic number, because the mean of its divisors is an integer number (3171168).

Almost surely, 2^63222460 is an apocalyptic number.

It is an amenable number.

63222460 is an abundant number, since it is smaller than the sum of its proper divisors (88993604).

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

63222460 is a wasteful number, since it uses less digits than its factorization.

63222460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1450 (or 1448 counting only the distinct ones).

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

The square root of 63222460 is about 7951.2552468148. The cubic root of 63222460 is about 398.3735203741.

Adding to 63222460 its reverse (6422236), we get a palindrome (69644696).

The spelling of 63222460 in words is "sixty-three million, two hundred twenty-two thousand, four hundred sixty".