63432222 has 64 divisors (see below), whose sum is σ = 157939200. Its totient is φ = 16571520.

The previous prime is 63432191. The next prime is 63432247. The reversal of 63432222 is 22223436.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 63432192 and 63432201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21772 + ... + 24512.

It is an arithmetic number, because the mean of its divisors is an integer number (2467800).

Almost surely, 2^63432222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63432222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78969600).

63432222 is an abundant number, since it is smaller than the sum of its proper divisors (94506978).

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

63432222 is a wasteful number, since it uses less digits than its factorization.

63432222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2801.

The product of its digits is 3456, while the sum is 24.

The square root of 63432222 is about 7964.4348198727. The cubic root of 63432222 is about 398.8136138654.

Adding to 63432222 its reverse (22223436), we get a palindrome (85655658).

The spelling of 63432222 in words is "sixty-three million, four hundred thirty-two thousand, two hundred twenty-two".