63622120 has 16 divisors (see below), whose sum is σ = 143149860. Its totient is φ = 25448832.

The previous prime is 63622099. The next prime is 63622121. The reversal of 63622120 is 2122636.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 58155876 + 5466244 = 7626^2 + 2338^2 .

It is a junction number, because it is equal to n+sod(n) for n = 63622091 and 63622100.

It is not an unprimeable number, because it can be changed into a prime (63622121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 795237 + ... + 795316.

Almost surely, 2^63622120 is an apocalyptic number.

It is an amenable number.

63622120 is an abundant number, since it is smaller than the sum of its proper divisors (79527740).

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

63622120 is a wasteful number, since it uses less digits than its factorization.

63622120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1590564 (or 1590560 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 63622120 is about 7976.3475350564. The cubic root of 63622120 is about 399.2111954911.

Adding to 63622120 its reverse (2122636), we get a palindrome (65744756).

The spelling of 63622120 in words is "sixty-three million, six hundred twenty-two thousand, one hundred twenty".