4638422 has 8 divisors (see below), whose sum is σ = 6975072. Its totient is φ = 2313400.

The previous prime is 4638419. The next prime is 4638449. The reversal of 4638422 is 2248364.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1829 + ... + 3552.

It is an arithmetic number, because the mean of its divisors is an integer number (871884).

Almost surely, 2^4638422 is an apocalyptic number.

4638422 is a deficient number, since it is larger than the sum of its proper divisors (2336650).

4638422 is a wasteful number, since it uses less digits than its factorization.

4638422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5814.

The product of its digits is 9216, while the sum is 29.

The square root of 4638422 is about 2153.6996076519. The cubic root of 4638422 is about 166.7721083893.

The spelling of 4638422 in words is "four million, six hundred thirty-eight thousand, four hundred twenty-two".