63217122 has 32 divisors (see below), whose sum is σ = 132378624. Its totient is φ = 20101200.

The previous prime is 63217109. The next prime is 63217151. The reversal of 63217122 is 22171236.

It is a junction number, because it is equal to n+sod(n) for n = 63217092 and 63217101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10813 + ... + 15599.

It is an arithmetic number, because the mean of its divisors is an integer number (4136832).

Almost surely, 2^63217122 is an apocalyptic number.

63217122 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

63217122 is an abundant number, since it is smaller than the sum of its proper divisors (69161502).

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

63217122 is a wasteful number, since it uses less digits than its factorization.

63217122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4894.

The product of its digits is 1008, while the sum is 24.

The square root of 63217122 is about 7950.9195694586. The cubic root of 63217122 is about 398.3623082316.

Adding to 63217122 its reverse (22171236), we get a palindrome (85388358).

The spelling of 63217122 in words is "sixty-three million, two hundred seventeen thousand, one hundred twenty-two".