63405222 has 16 divisors (see below), whose sum is σ = 126914880. Its totient is φ = 21117672.

The previous prime is 63405211. The next prime is 63405239. The reversal of 63405222 is 22250436.

It is a junction number, because it is equal to n+sod(n) for n = 63405192 and 63405201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5133 + ... + 12375.

It is an arithmetic number, because the mean of its divisors is an integer number (7932180).

Almost surely, 2^63405222 is an apocalyptic number.

63405222 is an abundant number, since it is smaller than the sum of its proper divisors (63509658).

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

63405222 is a wasteful number, since it uses less digits than its factorization.

63405222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8707.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 63405222 is about 7962.7396039303. The cubic root of 63405222 is about 398.7570206735.

Adding to 63405222 its reverse (22250436), we get a palindrome (85655658).

The spelling of 63405222 in words is "sixty-three million, four hundred five thousand, two hundred twenty-two".