63689022 has 24 divisors (see below), whose sum is σ = 138604440. Its totient is φ = 21135600.

The previous prime is 63689009. The next prime is 63689029. The reversal of 63689022 is 22098636.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63689029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3604 + ... + 11847.

It is an arithmetic number, because the mean of its divisors is an integer number (5775185).

Almost surely, 2^63689022 is an apocalyptic number.

63689022 is an abundant number, since it is smaller than the sum of its proper divisors (74915418).

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

63689022 is a wasteful number, since it uses less digits than its factorization.

63689022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15688 (or 15685 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 63689022 is about 7980.5402072792. The cubic root of 63689022 is about 399.3510769833.

The spelling of 63689022 in words is "sixty-three million, six hundred eighty-nine thousand, twenty-two".